1、NIL-P-L3850C 3 = 9477706 Oq42055 Li 1 MIL-P-13850C 1 larch 1970 SUPERSEDING - MI L-P - 138WB 30 March 1964 . . . MILITARY SPECIFICATION PANEL MARKER, AERIAL LIAISON, COTTON SHEETING, This specification is mandatory for use by all Departments and Agencies of the Department of Defense. PANEL AL-121, W
2、HITE AND PANEL AL-122, BLACK 1. SCOPE 1.1 in two colors. is dyed black. Scope.- This specification covers one type and size of panel marker Panel marker AL-121 is bleached white and panel marker AL-122 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on the date of in- vita
3、tion for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS 3 FEDERAL L-P-375 - Plastic Film, Flexible, Vinyle, Chloride V-T-285 - Thread, Polyester -P-268 - Paper, Kraft, Untreated, Wrapping CCC-C-432 - Cloth, Sheeting, Cotton (Unbleached,
4、 Bleached, and CCC-D-950 - Dyeing and Aftertreatment Processes for Cotton Cloths . DDD-L-20 - Label; for Clothing, Equipage, and Tentage (general Use) PPP-B-601 - Boxes, Wood Cleated, Plywood PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner PPP-B-636 - Box, Fiberboard PPP-T-45 - Tape, Gummed, Reinfor
5、ced and Plain for Sealing and Dyed 1 Securing HILITARY . MIL-G-16491 - Grommets, Metallic /FSC 8345/ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-1350C 3 U 777770b 044205b b U STANDARDS FEDERAL Fed. Std, No, 191 - Textile, Test Methods Fed.
6、Std. No. 751 - Stitches; Seams; and Stitchings MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage Attributes DRAWINGS THE INSTITUTE OF HERALDRY 5-1-330 - Panel Marker, Aerial Liaison, Cotton AL-121, Color White or Panel AL-122, A s
7、semb 1 y Sheeting; Panel Color Black; ._ (A niature copy of drawing 5-1-330 identified as figur- 1 is attached for information only.) (Copies of specifications, standards, and drawings required by the con- tractor in connection with a specific.procurement function should be obtained from the procuri
8、ng activity or as directed by the contracting officer,) 2.2 Other publications.- The following documents form a part of this specification to the extent specified herein, issue in effect on the date of invitation for bids or request for proposal shall Unless otherwise indicated, the apply HANDBOOK O
9、F COLORIMETRY (MIT PRESS) (Application for copies should be addressed to the Technology Press; Massachusetts Institute of Technology; Cambridge, Massachusetts 02138. ) 3, REQUIREMENTS 3.1 First article,- Unless otherwise specified (see 6.21, before produc- tion is commenced a sample of the finished
10、panel shall be submitted or made available to the contracting officer or his authorized representative for in- spection and tests as specified in 4.2, The approval of the first article 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-L3SOC 3 W
11、 9999906 Oq42057 W , MI L-P- 1385oC authorizes the commencement of production but does not relieve the contractor of responsibility for compliance with all provisions of this specification, The first article shall be manufactured inthe same facilities to be used for the manufacture of the production
12、 items. 3.2 Materials.- Materials shall conform to the referenced specifications and to the requirements specified herein, 3.2.1 Cloth, cotton sheeting.- The cotton sheeting shall conform to type VI, class 2 of CCC-C-432, except that only the following characteristics shall apply: threads per inch,
13、weight, breaking strength, shrinkage, and sulphur content. The finished sheeting shall be bleached for panel AL-121 and dyed for panel AL-122. 3.2.1,l Color.- 3.2.1.1.1 Panel AL-121.- The panel shall be bleached white conforning to Bleaching of the fabric by any commercial the shade of the standard
14、(see 6.3). method is permissible. tested as specified in 4.4.1, the finished panel shall have a luminous reflectance relative to magnesium oxide of not less than 75.0 percent. When tested as spec- ified in 4.4.1 and 4.4.2, the brightener shall be fast to chlorine bleaching-and shall have a spectral
15、emission with a peak response in the blue of the spectrum. When tested as specified in 4.4.3, the pH of the finished fabric shall be not less than 5.0 nor more than 8.0. When tested as specified in 4.4.4, after 20 hours exposure, the finished fabric shall show no more yellowness than the standard or
16、 when the standard is not available the colorfastness to light shall be good. The use of a fluorescent brightener is required. When 3.2.1.1.2 Panel AL-122.- The panel shall be dyed black conforming to the shade of the standard (see 6.31, The black shall be obtained by the use of anthraquinone vat dy
17、es, The use of sulfur dyes or aniline black is prohibited, When tested as specified in 4.4.1, the finished panel shall have a luminous reflectance relative to magnesium oxide of less than 3.0 percent and shall have an integrated visual reflectance with regard to the standard observer and CIE luminat
18、 C of less than 4.0 percent. When tested as specified in 4.4.4, after 100 standard fading hours, the color fastness of the dyed fabric shall be equal to or better than the standard sample. When a standard is not established or not designated as applicable to colorfastness, the dyed fabric shall show
19、 good fastness to light. 3.2.1.2 Wildew-resistant treatment.- The cotton sheeting shall be mildew- resistant treated in accordance with table III of CCC-D-950. The bleached sheeting shall be treated with inhibiter (i) and the dyed sheeting with inhibitor (a). 3 Provided by IHSNot for ResaleNo reprod
20、uction or networking permitted without license from IHS-,-,-_ MIL-P-L3850C 3 W 999990b 0442058 T MIL-P-13850C 3.2.2 Thread, polyester.- Thread shall conform to class 1, type I or II, size B of V-T-285, except that only the following.characteristics shall apply; identification of polyester, breaking
21、strength, elongation, and colorfastness to light (20 hours). to the panel marker AL-122 only. The characteristics on colorfastness to light shall apply 3.2.2.1 Color.- The thread used in sewing the panel AL-121 shall be natural in color. shall show fastness to chlorine bleaching equal to or better t
22、han the standard (see 6.3). When standard is not available, the thread shall show good fastness to chlorine bleaching. The thread used in sewing the panel AL-122 shall be black and 3.2.3 Plastic washers.- The plastic washers shall be in accordance with the requirements of drawing 5-1-330 and shall b
23、e fabricated from plastic con- forming to L-P-375 except only the following cnaracteristics shall-. aEply: Resistance to weathering, cold crack at minus 40 degrees -C 22 degrees-C. . and dimensional stability. The washers for panel AL-121 shall be formed using type II, class 1 plastic and the washer
24、s for panel AL-122 shall be formed using type II, class 2 plastic. 2-5 of MIL-G-16491, except only the following characteristics shall apply: chemical composition, dimensions and finish. with drawing 5-1-330 and as specified herein. 3.2.4 Grommets.- The grommets shall conform to type II, class 3, si
25、ze No. 3.3 Construction.- The panel markers shall be constructed in accordance 3.3.1 Stitching.- All stitching shall conform to type 301 of Std. No. 751, Stitching shall be back stitched at the ends not 6 to 8 stitches per inch. less than 1/2 inch, except where ends are turned under in a hem and hel
26、d down by other stitching. than 1 inch at each break. Thread tension shall be maintained so that there will be no loose stitching, and that the lock will be embedded in the center of the material sewed. All threads ends shall be trimmed. Thread breaks in stitching shall be back stitched not less 3.3
27、.2 Splicing of panels.- One splice per panel will be allowed. Seams shall conform to type LSc-2 and shall be 1/4 to 5/16 inch gauge. ing shall be used. the panel marker. Type 301 stitch- The one splice allowed shall be in the short dimension of 3.3.3 Setting of grommets.- Holes punched to receive gr
28、ommets specified in 3.2.4, shallbe smaller than the outside diameter of the grommet barrel so that the barrel must be forced through the hole. clinched without cutting the material, The grommets shall be securely 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
29、from IHS-,-,-MIL-P-13850C 3 W 7773706 OLl42059 L W , MIL-P-13850C 3.4 Marking.- The letters “U.S.“ and the identification marks shall be printed or stenciled in the size characters and in the locations as shown on drawing 5-1-330. panel shall be marked with white ink. The identification marking shal
30、l conform to the requirements for type IV, class 5 labels of DDD-L-20. Fastness shall be as specifi.ed for type IV, class 5 labels. All marking shall be on the hem side, The AL-121 panel shall be marked with black ink and the AL-122 3.5 Norkmanship.- Workmanship for the panels shall conform to the q
31、uality and grade product established by this specification and the occurrence of defects shall not exceed the acceptable quality levels, 4. QUALITY ASSURANCE PROVISIONS 4.1 Inspection responsibility.- Unless otherwise specified in the contract or purchase order, the supplier is responsible for the p
32、erformance of all ini spection requirements as specified herein. Except as otherwise 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 L disapproved by the Government. The Gove
33、rnment reserves the right to perform any2 of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requiremenl 4.2 First article inspection.- Inspection and testing of the first article shall be made on a comp
34、letely fabricated panel marker for all provisions of this specification applicable to end product examination and test. 4.3 Sampling for inspection and acceptance.- Sampling for inspection and acceptance shall be in accordance with the provisions set forth in MIL-STD-105, except where otherwise indi
35、cated. 4.3.1 Testinq of components.- In addition to the quality assurance provisions of the subsidiary specifications and drawings, testing shall be per- formed on components and materials listed in table I for the characteristics specified therein. acceptable quality level (AQL) shall be 4.0. All t
36、est methods cited are from Std. No. 191. Where applicable the inspection level shall be S-1 and the 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-1350C 3 W 777770b 04420b0 T MIL-P-13850C 4.3.1.1 Certification of compliance.- The cotton shee
37、ting and the chemical composition of the gromets may be accepted on the basis of a contractors cert- ification of compliance. . 4.3.2 In-process inspection.- Inspection shall be made at any point or during any phase of the manufacturing process to determine whether operations or The Government reser
38、ves the right to exclude frOQ consideration for acceptance any material or service for which in- process inspection has indicated nonconformance. In-process inspection shall be conducted to see that accomplishment of the following is in accordance with the specification requirement: assemblies are a
39、ccomplished as specified, Requirement, operation or assembly Requirement paragraph Holes punched for grommets are smaller than outside diameter of grommet barrel, 3.3.3 4.3.3 Inspection of the end item.- 4.3.3.1 Visual examination of panel marker, aerial liaison; cotton sheeting.-* The defects found
40、 during examination will be classified in accordance with 4.3.3.1.1 and 4.3.3.1.2. 4.3.3.1.1 Examination of panel marker, aerial liaison, cotton sheeting for defects in material, construction, and workmanship.- Examine Defect Quality of Any hole, cut or tear. ma teri al Any smash.4.,.,.,. Floats or
41、skips: -multiple, 1/2 inch or more in combined directions.,e.oo -multiple, but less than 1/2 inch in com- bined directions.oao* -single float or skip over 12 inches in length,.,.,., Broken or missing ends: -three or more contiguous regardless of length.,. -two contiguous more than 3 inches in length
42、, -singles, less than 6 inches apart. -singles, more than 36 inches in length., -singles, more than three per panel up to and including 36 inches in length Classi Ma i or X X X - - X - - - - ication Minor - - - X X - X X X X 6 Provided by IHSNot for ResaleNo reproduction or networking permitted with
43、out license from IHS-,-,-6 MIL-P-13850C 83 W 977970b 0442Ob1 T U MIL-P-13850C Examine Defect. Broken picks :-.- Class Mai or Grommets, metal 1 i c -three- or more contiguous regardless of length . -two contiguous regardless of length. i. -two or more contiguous -singles, less than 6 inches apart. Mi
44、spick or double pick: -singles, less than 6 inches apart. kinks on the surface of the fabric extend- ing more than 1/2 inch in lengtheeeeo place clearly noticeableoOOO.OOO. -open between yarns 1/16 inch or more at widest place.,. -opening between yarns less than 1/16 inch resulting in distorted text
45、ure over -more than two, 1/2 inch square or less in area, within a 1 foot square area,. -more than 1/16 inch but less than 1/8 inch in thickness Spot or stain, 1/8 inch or more clearly noticeable when viewed at a distance of 6 feet.o.oOo.o Wrong draw, two or more extending 36 inches or more in lengt
46、h.OOOO.OO.O.OO.OO Finish not type specified or evidence of corrosion., Sharp edge or projection that may cause injury . Any missing. Insecurely clinched, broken, cracked, or otherwise defective, seriously affecting serviceabilitye.,.booe defective, affecting serviceability, but not . Slack end resul
47、ting in loops, curls or Any fine or light filling bar or light Open place (poor scratch up): 1/2 inch square in area. . Slub, slug, gout or sloughoff: -1/8 inch or more in thickness. Insecurely clinched, broken, cracked or I 7 ica t ion Minor X X X X X X ._ X X x X X X X Provided by IHSNot for Resal
48、eNo reproduction or networking permitted without license from IHS-,-,-Examine Def ecz t Glinched too tight, cutting surrounding Plastic washer Workmanship of seam and stitching fabrico.o.m Any missing.e.OOO.osee Wrong color.OO.O.Ooe.eoo.o. Broken or cracked affecting sealeee.ODOoO Incorrect hen or s
49、titch typeO.O.OO.,.O. One or two stitches per inch less than Less than 4 stitches per One or more stitches in excess of maximum Thread breaks back stitched less than one inch.,. End of sti,tching back stitched less than 1/2 inch except where ends are turned under or caught in other stitching stitches per inch which results in cutting of fabric.bOOOO. Back stitching
