1、MILITARY SPECIFICATION Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: ASD/ENES, Wright-Patterson AFB, OH 45433-6503 by using the self-addressed Standardization Document Improvement Proposal (DD
2、 Form 1426) appearing at the end of this document or by letter. - MIL-H-8714OA(USAF) 3 April 1987 - SUPERSEDING MIL-H-87140 (USAF) 4 September 1979 HELMET, FLYERS HGU-36WP This specification is approved for use within the Departments and Agencies of the Department of Defense. Department of the Air F
3、orce and is available for use by all 1. SCOPE 1,l one type, and providded in sizes medium and large. SCOD. This specification covers the HGU-36A/P flyers helmet, which of * 2. APPLICABLE DOCUMENTS 2.1 Go vernment documents 2.1.1 SD ecifications. standards. and handbooks. The following specifications
4、, standards, and handbooks form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the s
5、olicitation. SPECIFICATIONS e FEDERAL L-P-3 9 3 Plastic Molding Material, Polycarbonate, Injection and Extrusion uu-P-553 Paper, Wrapping, Tissue PFP-B-26 Bags Plastic, (General Purpose) PPP-B-601 Box, Wood, Cleated-Plywood PPP -B-6 3 6 Boxes, Shipping, Fiberboard PPP-c-843 Cushioning Material, Cell
6、ulosic 2 MILITARY MIL-F-4 9 5 Finish, Chemical, Black, for Copper Alloys MIL-P-12420 Plastic Material, Cellular, Elastomeric MIL-P-19644 Plastic Molding Material (Polystyrene Foam, Expanded Bead) MIL-F-21840 Fastener Tapes, Hook and Pile, Synthetic MIL-I-27467 Headset Assembly, H-l54A/AIC Licensed b
7、y Information Handling ServicesMIL-H-87110A 81 9777706 0111312 b MIL-H-8714OA(USAF) MIL-V-435 1 1 MIL-C-44050 MIL-C-46168 MIL-P-46593 MIL-C-83409 STANDARDS FEDERAL FED-STD-595 MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-147 MIL-STD-662 MIL-STD-1189 Visor, Flying Helmet, Polycarbonate Cloth,
8、 Ballistic, Aramid Coating, Aliphatic Polyurethane, Chemical Agent Projectile, Calibers .22, .30, .SO and 20Mm Fragment and Simulating Coating, Visor, Polycarbonate, Flying Helmet Colors Sampling Procedures and Tables for Inspection by Attributes Marking for Shipment and Storage Identification Marki
9、ng of U.S. Military Property Palletized Unit Loads Ballistics Acceptance Test Method for Personal Armor Material Standard Symbology for Marking Unit Packs, Outer Containers and Selected Documents MIL-STD-2073-1 DoD Material Procedures for Development and Application of Packaging Requirements 2.1.2 0
10、2%. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS Gentex Corporation 60B4278 64A2217 65D1585 65D1586 80C4
11、782 80C4784 82D5982 84D6675 84D6676 84D6761 765AS2 1 1 - 1 954AS410-11 954AS4 1 O- 12 954AS411-11 954AS411-12 Bracket, Connector Helmet Pads-Fitting, Flying Helmet Visor Housings, Large Visor Housings, Medium Chin Strap and Pad Assembly Nape Strap Assembly Helmet Assembly, Flyers, HGU-36A/P Helmet S
12、hell, Medium Helmet Shell, Large Energy Absorbing Liner Bag, Lens Visor Lens Assembly, Neutral Gray, Medium, MBU-l2/P Trim Visor Lens Assembly, Clear, Medium, MBU-l2/P Trim Visor Lens Assembly, Neutral Gray, Large, MBU-lS/P Trim Visor Lens Assembly, Clear, Large, MBU-12/P Trim ( Copies of specificat
13、ions, standards, handbooks, drawings, and publications and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2 Licensed by Information Handling ServicesNIL
14、-H-87140A 4 = 797770b 0411343 = 2.2 Othe r Dublications. The following document(s) form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicit
15、ation. the issues of documents not listed in the DODISS shall be the issue of the nongovernment documents which is current on the date of the solicitation. Unless otherwise specified, AMERICAN NATIONAL STANDARDS INSTITUTE, INC. Z90.1-1971/290.1A-1973 (Applications for copies should addressed to the
16、American National Standards Protective Headgear for Vehicular Users les. The qualification test samples shall be , representative of the production equipment and shall be identified with the manufacturers part number and such other information as required by applicable drawings. 4.4.1.1 contract or
17、purchase order, qualification test samples shall be as follows: HGU - ?6A/P helmet assemblies. Unless otherwise modified by the 4.4.1.1.1 SamDle 2. a. 80C4782) . One each chin strap and pad assembly with installation hardware (Drawing b. for sizes medium and large). One each nape strap assembly with
18、 installation hardware (Drawing 80C4784 c. One each molded shell of each size, trimmed and drilled, unpainted and without edge beading size large). a (Drawing 84D6675 for size medium, and Drawing 84D6676 for d. One each visor assembly components: (1) Visors (a) Clear (Drawing 954AS410-12 for medium,
19、 and Drawing 954AS4ll-12 for large) (b) Neutral gray (Drawing 954AS410-11 for medium, and Drawing 954AS4ll-11 for large) (2) Visor housings: Drawing 64D1586 for medium, and Drawing 64D1585 for large. 4.4.1.1.2 SamDle 2. the contract or purchase order, trimmed, drilled and without edge beading and en
20、ergy absorbing liner (Drawing 84D6675 for size medium, and 84D6676 for size large). 4.4.1.1.3 SamDle 3 contract or purchase order that are completely finished and assembled in accordance with this specification and Drawing 82D5982. Two helmet shell assemblies of each size specified on Two helmet ass
21、emblies of each size Specified on the Licensed by Information Handling ServicesMIL-H-87 14OA( USAF) 4.4.1.1.4 SamDle 4. One helmet assembly of each size specified on the contract or purchase order that are completely finished and assembled in accordance with this specification and Drawing 82D5982. 4
22、.4.1.1.5 SamDle 5. Clear and neutral gray visors shall be sampled and inspected in accordance with MIL-V-43511 and MIL-C-83409. 4.4.2 Qua lification testinq. The qualification test samples shall be subjected ta the tests listed in table I. 4.4.3 Retention of aualification. To retain qualification, t
23、he manufacturer shall forward certification at 2-year intervals to the qualifying activity stating that the company still has the capabilities and facilities necessary to produce the item and that the product has not changed in any way. The qualifying activity shall establish the initial reporting d
24、ate. 4.5 Oualitv conformance insDection. Quality conformance inspections shall be as specified in 4,5.1 and table II. 4.5.1 Materials and comDonent insoections. The materials and components used in the fabrication and assembly of the HGU-36A/P helmet shall be inspected/ tested to determine complianc
25、e with the requirements of applicable specifi- cations, standards and drawings. 4.5.1.1 Classification of defects. Classification of defects shall be in accordance with tables III and IV, Defects classified as minor shall be corrected on all helmets by replacement or repair of defective components,
26、Defects classified as major shall be cause for removal from production and nonacceptance of all units that exhibit the defect, Any components which cannot be corrected shall be rejected and removed from production. 4.5.2 SamDlinn Dlans 4.5.2.1 InsDection lot and samDle unit 4.5.2.1.1 InsDection lot.
27、 An inspection lot shall be expressed in units of the helmet assemblies made under essentially the same conditions and from the same materials, 4.5.2.1.2 SamDle unit. expressed in units for one component. The sample unit shall be one helmet assembly of each size. The sample unit shall be one compone
28、nt and shall be 4.5.2.2 SamDlinn Dlan A. Group A examinations shall be visually examined for applicable defects listed in tables III and IV. The inspection level shall be 100 percent. All non-conforming items, except for delaminations and blisters in the molded unfinished shell, shall be repaired an
29、d returned to production. Items which cannot be repaired, including a defective molded shell, shall be removed from production. 4.5.2.3 SamDlina Dlan B. be subjected to the examination of components prior to assembly of helmet. inspection level shall be level II of MIL-STD-105, and the acceptable qu
30、ality level (AQL), expressed in terms of percent defective, shall be 2.5 for major defects and 6.5 for total defects. Group B examinations, as listed in table III, shall The Licensed by Information Handling Services- MIL-H-87L40A 84 7779706 OLiLL350 5 MIL-H-87 140A( USAF) TABLE I. Qualification test
31、a. Test I Method 4.6.1, 4.6.2.3, 4.6.2.4 4.6.4 4.6.5 4.6.6 4.6.7 4.6.8 4.6.9 4.6.10 4.6.11 4.6.12 4.6.13 4.6.14 4.6.15 4 Test Sample Requirement Characteristic Paragraph 1 3.4.3.2 3.4.3.4 Dimensional examination 3.3.9 3*3*1*3s 3.3.1.4 2 3 4 Ballist io re sis t ance 3.4.1 Impact resistance 3.4.2 Adhe
32、sion of beading before aging 3.4.3.1 10 4 4 Adhesion of beading after aging Adhesion of liner finish 4 3 4 4 5 5 4 Adhesion of fastener tapes 3.4.3.3 Adhesion of shell finish 3.4.3.5 Adhesion of liner and compatibility of adhesive with liner 3.4.3.6 Heat exposure 3.4.4 Visor optical characteristics
33、3.4.6 Visor coating 3.4.5 Weight 3 -5 Li Licensed by Information Handling ServicesTABLE II. Qu alitv conformance insDectioq. Examination or tests Group A Inprocess visual examination of molded, unpainted shell Inprocess visual examination of shell prior to installation of edge beading End item visua
34、l examination Group B Inprocess visual examination (other than Group A) Inprocess dimensional examination chin and nape strap assemblies Group C End item test: Ballistic resistance Impact re sis tance Adhesion of beading before aging Adhesion of beading after aging Adhesion of shell finish 3equireme
35、nt Paragraph 3.3.7.3 3.6.1 3 -9 3 -9 3 -3 3.4.1 3.4.2 3.4.3.1 3.4.3.2 3.4.3.5 ixamination or est Paragraph r.6.2.1 4.6.2.2 4.6.3 4.6.2 4.6.2.3 4.6.4 4.6.5 4.6.6 4.6.7 4.6.10 Sampling Plan 1.5.2.2 4.5.2.3 4.5.2.4 11 .Y- - , Licensed by Information Handling ServicesMIL-H-7340A 4 H 9799906 0433352 7 H
36、MIL-H-87 14OA( WAF) TABLE III. Classification of defects, imrocess visual and dimensional examination. Classification Examine Molded shell. umainted Helmet shell. Dainted, prior to beadinq Enerav absorbinn liner, unDain t ed Defect Any fabric fibers visibly cut or raised on the shell body Any surfac
37、e dent, depression or area not smooth Any delamination, pimple or blister Any evidence of cracking or crazing Any evidence of dry spot, any area of no resin flow or other deficiency Any pleat, wrinkle or crease longer than 1/2 inch Any pleat, wrinkle or crease 1/2 inch or less in length that is not
38、smooth Any permissible gap or pit not resin filled as specified Thin film (coating) Finish wet or tacky Coating furrows, flakes or peels when scratched with fingernail Peeling, blistering or flaking Runs and sags Foreign matter (dirt, oil, grease ) Color not as specified Design not as specified Hole
39、, tear, crack or compressed area Density less than specified 12 I - - - - Major X X X X X X X X X X X Minor Licensed by Information Handling Services- MIL-H-87140A 84 m 977770b 0411353 O m TABLE III. Examine Chin improperly adhered to shell Visor rotation difficult Visor lock not functioning properl
40、y 14- - Classi TTgT X X X X X X cation Minor X - X X X X X Licensed by Information Handling ServicesMIL-H-87140A 84 W 9779906 0411355 4.5.2.4 SamD ling Dlan C. or fraction thereof shall be subjected to the Group C end item tests. shall be unacceptable if the sample fails to meet any of the specified
41、 tests: Two complete helmet assemblies from each lot of 500 The lot a. ballistic resistance b. impact resistance c. adhesion of beading before aging d. adhesion of beading after aging e. adhesion of shell finish A 4.5.2.4.1 NoncomDliance. If a sample fails to pass Group C inspection, the manufacture
42、r shall notify the qualifying activity and the cognizant inspection activity of such failure and take corrective action on the materials or processes, or both, as warranted, and on all units of products which can be corrected and which were manufactured with essentially the same materials and proces
43、ses, and which are considered subject to the same failure. and shipment of the product shall be discontinued until corrective action, acceptable to the qualifying activity, has been taken. action has been taken, Group C inspection shall be repeated on additional sample units (all tests and examinati
44、ons, or the test which the original sample failed, at the option of the qualifying activity). Groups A and B inspections may be reinstituted; however, final acceptance and shipment shall be withheld until the Group C inspection has shown that the corrective action was successful. In the event of fai
45、lure after reinspection, information concerning the failure shall be furnished to the cognizant inspection activity and the qualifying activity. Acceptance After the corrective 4.6 . InsDecti on methods 4.6.1 . The molded shell, prior to the application of coating, shall be dimensionally examined, i
46、n accordance with Drawing 84D6675 for size medium and 84D6676 for size large, for the following: a. hole locations b. shell trim C. overall shell width at the center reference dimples and the overall shell height at butt line 0.00 axis, in accordance with Drawing 84D6675 for size medium, and Drawing
47、 84D6676 for size large, inch of the specified total value. 4.6.2 Inprocess examination. Visual and dimensional inspections shall be made during the manufacturing process to determine whether components conform to applicable requirements. Defects shall be corrected or removed, as detailed in paragra
48、ph 4.5.1.1- 4.6.2.1 Visual examination of molded. unDainted shell. The helmet shell, prior to preparation for finishing, shall be 100 percent visually examined for any evidence of blister or delamination. verify the results of the contractors examination by sampling inspection. Each dimension shall
49、be within 1/4 At its discretion, the Government may Licensed by Information Handling Services4.6.2.2 e 11rrti 11 f beadinq. The helmet shell, prior to installation of the edge beading, shall be 100 percent visually examined for defects in accordance with table III. 4.6.2.3 Dimensional examination of chin and naDe st ram. The completely assembled chin strap and nape strap shall be examined for compliance with dimensions required in the applicable drawings. 4.6.2.4 Dimensional examination of visor and visor housing . visor housing shall be examined for compliance with dime
