1、EILITARY SPECIPICATIOM FAIRLEAD, TENT LINE, YAGNESIUBI - NIL-F-16 11E 17 September 1971 SUPERSEDING MIL-F-1611D 16 Narch 1966 This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 2. APPLICABLE WCMNTS This specification covers one type and
2、 size of magnesium fairlead. * 2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification on the extent specified herein. SPECIFICATIONS FEDERAL Q4-M-55 QQ-bf- 5 6 TT-E-529 TT-P-666 PPP-B-636 MILITARY MIL-M-3171 STAND
3、ARDS MILITARY - EZagnesium Alloy , Permanent and Semi-permanent - Magnesium Alloy, Sand Castings. - Enamel, Alkyd, Semi-glosc. - for Aluminum Surfaces. - Boxes, Shipping, Fiberboard Nold Castings . Primer Coating, Zinc Yellow (Zinc Chromate), - Magnesium Alloy, Processes for Pretreatment and Prevent
4、ion of Corrosion on, MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. Attributes. FSC 8340 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-LbLLE 3 W 9999906 0424763 7 W MIL-F-1611E I
5、 DRAWING ARMY NATICK LABORATORIES 5-4-234 - Fairlead, Tent Line, Magnesium. (Miniature copy of Drawing 5-4-234, identified as figure 1, is attached (Copies of specifications, standards, drawing, and publications required for information purposes only,) by suppliers in connection with specific procur
6、ement functions should be obtained from the procuring activity or as directed by the contracting officer, The following documents form a part of this speci- * 2.2 Other publications.- fication to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for b
7、ids or request for proposal shall apply * AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) B 94 - Magnesium - Alloy Die Castings (Application for copies should be addressed to American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103). NATIONAL MOTOR FREIGHT TRAFFIC ASSO
8、CIATION, INC, AGENT National Motor Freight Classification (Application for copies should be addressed to American Trucking Associations, Attn: D.C. 20036.) Tariff Order Section, 1616 P Street, N.W., Washington, UNIFORM CLASSIFICATION COMMITTEE, AGENT Uniform Freight Classification (Application for c
9、opies should be addressed to the Uniform Classification Committee, Room 202, Union Station, 516 W. Jackson Blvd., Chicago, Illinois 60606. ) (Technical society and technical association specifications and standards are generally available for reference from libraries. buted among technical groups an
10、d using Federal Agencies.) They are also distri- 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-LbLLE 83 W 999990b 0424bY 9 i MIL-F-1611E 3 . REQUIRWNTS * 3.1 First article.- When specified (see 6.2), the supplier shall furnish a sample for
11、first article inspection and approval (see 4.2 and 6.3). * 3.2 Materials.- Materials shall conform to the applicable referenced specifications, drawings, and requirements specified herein. * 3.2.1 Magnesium alloy.- Nagnesium alloy shall be produced by any one of the following methods: (a) Sand casti
12、ng. Sand casting shall conform to alloy AZ63A, AZ91C, or AZ92A, temper T-6 of QQ-M-56. (b) Permnent mold casting. Permanent mold casting shall be in accordance with alloy AZ63A, AZ91C, or AZ92A, temper T-6 of QQ-M-55. (c) Die casting. Die casting shall conform to magnesium alloy AZ91A or AZ91B of AS
13、TM B 94. 3.2.2 Primer.- The primer shall conform to TT-P-666. * 3.2.3 Enamel,- The enamel shall conform to class A or B, composition G or L, olive drab color No. 24087 of TT-E-529. 3.3 Construction.- Construction shall be in accordance with the re- quirements of Drawing 5-4-234 and as specified here
14、in, * 3.3.1 Casting.- The casting shall conform to any one of the three P methods specified in 3.2.1 at the option of the manufacturer. * 3.4 Finish.- Any burr, sharp edge and rough spot shall be removed prior to application of finish. * 3.4.1 Chemical treatment.- All surfaces of the fairlead shall
15、be given * a chemical treatment conforming to type III or IV of MIL-M-3171. fairlead shall be coated with primer specified in 3.2.2. 3.4.2 Priming,- After the chemical treatment specified in 3.4.1, the * 3.4.3 Enameling.- After the primer has been allowed to dry, the fairlead shall be gtven a coat o
16、f enamel specified in 3.2.3, 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-L6LLE 83 W 7777706 0424765 O u- . MIL-F-1611E 3.5 Jorkmanship,- All surfaces shall be free from burrs, fins, rough spots, sharp edges, cracks, blow boles, voids or p
17、orous. The enamel coating shall level out to produce a smooth, uniform dry film without runs, wrinkles, drops, streaks, grit, coarse particles, and areas of thin or no film. 4. QUALITY ASSWCE PROVISIONS * 4.1 Responsibility for inspection.- Unless otherwise specified in the Except as othertise contr
18、act or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein, specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless dis
19、approved by the Government, The Government re- serves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. * 4.2 First article inspection.- When a first article is re
20、quired, it shall be examined for defects in table I and specified dimensions. Any visual defect or dimension not within specified requirements shall be cause for rejection of the first article. . 4.3 Inspection.- Sampling for inspection shall be performed in accordance with MIL-STD-105, except where
21、 otherwise indicated hereinafter. 4.3.1 Component and material inspection.- In accordance with 4.1, components and materials shall be inspected and tested in accordance with all the re- quirements of referenced specifications , drawings , and standards unless otherwise excluded, amended, modified or
22、 qualified in this specification or applicable purchase document. * 4.3.2 In-process inspection.- In-process inspection shall be conducted to see that accomplishment of the following is in accordance with the spec- if ied requirements. made to affected items and the process. Whenever nonconformance
23、is noted, correction shall be (a) Removal of burr, sharp edge and any rough spot is accomplished as specified in 3.4. (b) Chemical treatment - Treatment of metal surfaces for painting is accomplished as specified in 3.4.1. (c) Priming of metal - Metal surfaces have been coated with primer as specifi
24、ed in 3.4.2. (d) Drying of primer - Primer has been allowed to dry prior to enameling as specified in 3.4.3. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-LbLLE 3 W 7777706 0424766 2 MIL-F-1611E 4.3.3 End item inspection.- The lot shall be
25、all of the fairleads offered for inspection at one time. one finished fairlead. The sample unit for this examination shall be * 4.3.31 Visual examination.- Examination shall be made of the fairleads for the defects in table I. The inspection level shall be II with an accept- able quality level (AQL)
26、 of 4.0 for major defects and 10.0 for total defects, expressed in terms of defects per hundred units. TABLE I.- Classification of defects Classification Examine Defect Eajor Einor Finish Not finished X Color not as specified. X Coating not smooth or uniform Finish is not dry, i.e., wet or tacky to
27、touch X Runs, wrinkles, drops, streaks , grit, or coarse particles X Area of no film exposing bare Area of thin film exposing primer X metal X coating X Construction Hot fabricated as specified, such and workmanship as hole missing X Burr, fin, rough spot l-1 voids, or porous I-/ X X Sharp edges, cr
28、aclcs , blow holes, - i/ Major - if in area which could abrade tent line or result in injury to user. 4.3.3.2 Dimensional examination. - Inspection shall be made for defects in dimensions. classified as a defect. 4.0, expressed in terms of defects per hundred units. Any dimension not within the spec
29、ified requirements shall be The inspection level shall be S-2 with an AQL of 4.3.4 Examination of preparation for delivery.- An examination shall be made to determine that packaging, packing and markings are in compliance with section 5 of this specification. Defects shall be as specified in table I
30、I. The sample unit shall be one shipping container fully prepared for delivery. The lot shall be the number of shipping containers offered for inspection at one time. pressed in terms of defects per hundred units. The inspection level shall be S-2 with an AQL of 2.5, ex- 5 Provided by IHSNot for Res
31、aleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-Lh1LE 3 W 7779906 0424767 4 - t MIL-F-1611E TABLE II.- Examination of preparation for delivery Examine Defect Markings (exterior Omitted; incorrect; illegible; of improper size, and interior container ) location, sequence
32、 or method of application, Mat er ia1 Any nonconforming component, component missing, damaged , or otherwise defective. Workmanship Bulged or distorted container. Contents Quantity of fairleads per package or shipping container, as applicable, is more or less than required. 4.3.5 Examination of ship
33、ping containers.- When shipping containers are reauired to be in accordance with PPP-B-636, examination for defects in closur waterproofing, strapping or tape banding shall be made in accordance with the appendix of PPP-B-636. 5. PREPARATION FOR DELIVERY 5.1 5.1.1 Level A.- One hundred fairleads sha
34、ll be packaged in a close-fitting Packaging.- Packaging shall be level A or C as specified (see 6.2). intermediate fiberboard box confoming to type CF, variety SIJ, or type SF, class domestic, grade 200 of PPP-B-636. agitated during filling to assure a compact package and minimum void space. Closure
35、 shall be with gumned Kraft or pressure sensitive tape and in accord- ance with the appendix of the box cpecif ication. Each box shall have the contents 5.1.2 Level C.- Fairleads shall be packaged to afford adequate protection The supplier may use his standard practice when it meets against physical
36、 damage during shipment from the supply source to the first receiving activity. this requirement, 5.2 5.2.1 Packing.- Packing shall be level A, By or C as specified (see 6.2). Level A.- Four hundred fairleads, packaged as specified in 5.1, shall be packed in a close-fitting fiberboard shipping conta
37、iner conforming to style RSC, V2s of PPP-B-636. and reinforcing with flat strapping or tape banding shall be in accordance idth the appendix of PPP-13-636. Closure, waterproofing by means of tape, 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-blI
38、L-F-1611E * 5.2.2 Level B.- Four hundred fairleads, packaged as specified in 5.1, shall be packed in a close-fitting fiberboard shipping container conforming to style RSG, type CF, variety SW, or type SF, class domestic, grade 275 of PPP-B-636. Closure shall be in accordance with method II of the ap
39、pendix of PPP-B-636. * 5.2.2.1 When specified (see 6.2) , the shipping container shall be grade VC, V3s or V4s fiberboard box fabricated in accordance with PPP-B-636 and closed in accordance with the appendix thereto. * 5.2,3 Level C.- Fairleads, packaged as specified, shall be packed in a manner to
40、 insure carrier acceptance and safe delivery at destination at the lowest transportation rate for such supplies. ance with Uniform Freight Classification Rules or National Motor Freight Classification Rules, as applicable. Containers shall be in accord- 5.3 Harking.- In addition to any special marki
41、ng required by the con- tract or order, interior packages and shipping containers shall be marked in accordance with MIL-STD-129. 6. NOTES 6.1 Intended use.- The fairlead covered by this specification is intended to provide a means of attaching angular guide lines to a tent eave. * 6.2 Ordering data
42、.- Procurement documents should specify the following: L. MIL-F-LbLLE 83 m 99999Ob 042LI768 b m i p (a) (b) (c (d) Title, number and date of this specification. When a first article is required (see 3.1, 4.2, and 6.3). Selection of applicable levels of packaging and packing Whet her weather -r es is
43、 t an t f iberloard shipping con ta iner s (see 5.1 and 5.2). are required for level B shipment (see 5.2.2.1). * 6.3 First article.- Nien a first article is required, it shall be in- spected and approved under the appropriate provisions of ASPR 7-104.55. first article should be a preproduction sampl
44、e. The first article should consist of one unit. The contracting officer should include specific instructions in all procurenent instruments regarding arrangements for inspection and approval of the first article. The 6.4 The margins of this specification are marked with an asterisk (*) to indicate
45、where changes (additions, modifications , corrections, deletions) from the previous issue were made, This was done as a convenience only and the Governnent assumes no liability whatsoever for any inaccuracies in these notations. requirements of this document based on the entire content irrespective
46、of the marginal notations and relationship to the last previous issue. Bidders and suppliers are cautioned to evaluate the 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-1611E Custodians: Army - GL Navy - SA Air Force - 82 User activities: A
47、q-ME Navy - YD MIL-F-LbLLE 3 m 7779706 OL124767 W 8 T P c Preparing activity: Amy - GL Project No. 83460277 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-:. , 9 * U. S. GOVERNMENT PRINTING OFFICE: 1971 -714-158/2491 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
