1、a (” - ysr MIL-B-83277A(USAF) W MILITARY SPECIFICATION BOOTS, FLYERS FW-8IP 5 November 1975 SUPERSEDING MIL-B 83277 (USAF) 23 September 1970 This specification is approved for use. by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. quick-donning, lined, flight boots wh
2、ich are designated FW-8/P. This specification covers the requirements for one type of * 1.2 Classification. The boots shall be furnished in the sizes and the widths listed in table I as specified (see 6.2). TABLE I. Schedule of Sizes Sizes 6-112 7 7-112 8 8-112 9 9-112 10 10-112 11 11-112 12 12-112
3、- A X X X X X X X X X X X - - 2, APPLICABLE DOCUMENTS B X X X X X X X X X X X X X Widths C X X X X X X X X X X X X X D X X X X X X X X X X X X X - E X X X X X X X X X X X X X EE X X X X X X X X X X EEE X X X * 2.1 The following documents, of the issue in effect on date of invitation for bids or requ
4、est for proposal, form a partof this specification to the extent specified herein. SPECIFICATIONS Federal V-L-61 Laces , Nylon V-T-276 Thread, Cotton FSC 8430 vs DOCUMENT CQNTAINS. uniform in texture; andfree from porosity, blemishes, cracks, blisters, or any other defects that might affect servicea
5、bility or appearance. in table II. The base compound shall be a virgin poly- The finished The finished welting shall conform to the requirements specified * Property Hardness Specific gravity Brittle point Before aging After aging Tensile strength Elongation Water absorption Solvent resistance Hardn
6、ess Tensile strength Elongation Volume swell TABLE II. Welting Requirement 85 - 95 1.32 (maximum) Minus 15 degrees Fahrenheit or less Plus 20 degrees Fahrenheit change from standard brittle point (maximum) 2,300 pounds per square inch (psi) (minimum) 2 25 percent (minimum) 2.2 percent gain (maximum)
7、 60 (minimum) 1,800 psi (minimum) 225 percent (minimum) 30 percent (maximum) P * 3.3.7 Counters. The counters shall be either leather counters or polyethylene counters, 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-lIL-B-83277A Li 999990b 0408687
8、 3 M M1L-B- 83277A(USAF) r G i -F-4 A.= 0078 6 = 0.4 25 G.: 0,437 D 0.456 E = 0.060 G: 0.1.88 F OaIO9 6 UNLESS OTHERWISE SPECIFIED, DIMENSIONS IN INCHES AND TOLERANCES A2 PERCENT FIGURE 1. Die for Welt . . * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
9、S-,-,-* 3.3.7.1 Leather counters. The leather counters shall be welt type, full molded counters that conform to MIL-C-41814 except that the counters shall be 5 to 6 irons thick and shall be shaped to fit the Type FWU-5/P last. * 3.3.7.2 Polyethylene counters. The polyethylene counters shall be molde
10、d, to fit the last, from natural-color, unfilled polyethylene resin that conforms to tableIII. The molded pieces shall be uniform in texture and finish and shall be free from porosity, cracks; blisters, and any other defects that will affect serviceability. * TABLE III. Polyethylene Resin Characteri
11、stic Specific gravity Me 1 t index Tensile strength Elongation Stiffness modulus (tors ion) to 23- degrees centigrade Brittle temperature (80 percent nonfailure) Water absorption, gain in weight in 24 hours Volatility loss (72 hours at 82 degrees centigrade) Requirement 0.91 to 0.93 1.5 to 4.0 1,400
12、 to 2,500 psi 100 to 800 percent 20,000 to 40,000 psi Minus 76 degrees Fahrenheit (minimum) O. 14 percent (maximum) O, 05 percent (maximum) * 3.3.8 Heels. The heels shall conform to type II, grade A, style 2 of MIL-S-22777. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted witho
13、ut license from IHS-,-,-MIL -B- 83 2 7 7A (USAF) * 3.3.9 Outersoles. The outersoles shall conform to type I, grade A, style 2 of MIL-S-22777. * 3.3.10 Midsoles, The midsoles shall be made from a black, jet fuel resistant, rubber compound and shall conform to the requirements specified in table IV. *
14、 TABLE IV. Midsoles Propert y Composition Thickness Hardness Cut growth after aging and 25,000 flexes Volume swell Requirement Nonma r kin$ 3 irons 88 (minimum) 95 (maximum) 500 percent (maximum) 30 percent (maximum) * 3.3.11 Insole reinforcement. The material for the insole reinforce- ment shall co
15、nform to type I or II of Ccc-c-443, * 3.3.12 Tape. tape for the back seam shall conform to type I, class 1 of DDD-T-86 The tape for reinforcing the insoles, if used, and the 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-832 77A (USAF) 3.3.1
16、3 _I_ Thread i. .I . * 3.3.13.1 pp er stitching operations. Unless otherwise specified herein, the needle thread for the upper stitching operations shall be dye black to match the color of the upper leather and shall conform to type IB3, 4 ply, ticket No. 16 of V-T-276 except that the colorfastness
17、requirements shall not apply. Unless otherwise specified herein, the bobbin thread for the upper stitching Operations shall conform to type IA1 or IA3, 4 ply, ticket No. 16 of V-T-276 except that the type IA3 thread shall be black and the. colorfast- ness requirements shall not apply. As an alternat
18、e to the cotton thread, the needle thread and the bobbin thread for the upper stitching operations may be nylon thread conforming to type I or II, class 1 of V-T-295 or to type III of V-T-295, . * 3.3.13.2 Goodyear stitchhg. The running thread for the Goodyear stitching shall be dyed to match the co
19、lor of the upper leather. the Goodyear Stitching Operations shall be unbleached (natural color). otherwise specified herein, the running thread for the Goodyear stitching operations shall be cotton thread conforming to type IVB, ticket No. 8, 11 ply, Z twist of V-T-276 except that the colorfastness
20、requirements of V-T-276 shall not apply. Unless otherwise specified herein, the shuttle thread for the Goodyear stitchingtshall be cotton thread conforming to type RA, ticket No. 8, 10 ply of V-T-276 except that the colorfastness requirements of V-T-276 shall not apply. The cotton thread for the Goo
21、dyear stitching shall be well impregnated with wax. As an alternate to the cotton thread for the Goodyear stitching, the running thread and the shuttle thread for the Goodyear stitch- The shuttle thread for Unless . ing may be a polyester thread conforming to type I , class 1 , siz 10, 3 or 6 ply of
22、 3-T-285. * 3.3.13.3 Inseaming operations. Unless otherwise specified herein, the thread for the inseaming operations shall be linen thread conforming to type B, class 1, 10 ply, right twist of V-T-291 except that the linen thread shall be water resistant and shall have a minimum breaking strength o
23、f 55 pounds. The linen thread for the inseaming operations shall be well impregnated with wax. As an altepate to the linen thread, the thread for the inseaming operations may be.a polyester thread conforming to type I, class 1, size 10, 3 or 6 ply of V-T-285. * 3.3.14 Fastener tape. The fastener tap
24、e for the top cuff and the top of the The pile boot shall be 3/4 inch wide, a minimum of 2 inches long, and black. fastener tape shall conform to class 1 of MIL-F-21840. The hook fastener tape shall conform to type I, class 1 of MIL-F-21840. 9 P. o Provided by IHSNot for ResaleNo reproduction or net
25、working permitted without license from IHS-,-,-MIL-B-83277A 4 9999906 090Bb9L 5 W .- * 3.3.15 Plastic box toes. The material for. the-box tes,-shall be a woven flannel or a processed (needled) fabric base impregnated with a pyroxylin or polystyrene compound and shall be 0.0875 inch (plus or minus 0.
26、0075 inch) thick. The box toes shall be either an activated or a prepared type. conform in shaije aid size to the Type W-5/P lasts. skived 9/16 inch (plus or minus 1/16 inch) with a feather scarf edge. The box toes shall The box toes shall be * 3.3.16 Cinch clam The cinch damp (see 6.8) shall be alu
27、minum and shall con- form to _$ Drawing 731 6. * 3.3.17 Speed lacers. The speed lacers shall conform to Style 31092 (manufactured by J. L, Thonson Fastener and Machine, Inc., Franklin Park, llinois), or equal. The shaft on the speed lacers shall be of sufficient length to make a secure clinch. After
28、 fabrication, the speed lacers (speed clip and rivet) shall be anodized black or tumble coated with not less than two coats of black enamel. 3.3.17.1 Eyelets. The two eyelets (one on each blucher nose) required for each boot shall be made from aluminum that is not less than 0.012 inch thick and shal
29、l have a roll setting barrel;: The eyelets shall be anodized or finished with a corrosion-preventive treatment. The heads of the eyelets shall be roller coated with two coats of enamel in a-color that will approximately match the color of the upper leather. The eyelets may be tumble (fully) coated,
30、with not less than two coats of enamel, in lieu of top roller coated. The eyelets shall have an outside diameter of 0.385 to 0.390 inch and a minimum inside diameter of 0.180 inch. ! 3.3.1.8 Nails for heel attaching. The nails for heel attaching shall be brass cut or wire type and shall be of suffic
31、ient -length when driven to the top surface of the core to produce a clinch on the insole. The cut type of nails shall be cut from material conforming to alloy NO. 260 or 268 of ASTM B 36 and shall be commerical No. 450 or 1336 with a20-gage point. The wire type of nails shall be commercial type 13-
32、112.gage with a flat clinching point and shall be cut from material conforming to alloy No. 268 of ASTM B 134. 3.3.19 Tacks and staples. Tacks for the heel seat lasting, tacks for the welt butting, and tacks or staples for attaching the shank shall be brass, shall be of sufficient length so that the
33、 parts through which they are driven will be thoroughly attached, and shall .leave the insoles smooth on the inside. shall be cut from material conforming to alloy No. 260 or 268 of ASTM B 36. * 3.3.20 Rib fabric. The fabric for the preformed ribs shall be an unbleached cotton or cotton-synthetic fa
34、bric, The fabric for the preformed ribs shall weigh a minimum of 8 ounces per square yard, shall have a minimum of 50 yarns per inch. in the warp and of 30 yarns in the filling, anda minimum breaking strength of 105 pounds in the warp and.the filling. The tacks 10 Provided by IHSNot for ResaleNo rep
35、roduction or networking permitted without license from IHS-,-,-. MI L-B-83277AtUSAF) 3.3.21 shall be glue sized paper-base fiber, with a diameter of 0.081 to 0.086 inch, comercial type B or equal. The pegs shall be of sufficient length so that they will firmly secure the parts through which they are
36、 driven and leave the insoles smooth on the inside. used for the heel seat fastening. cl inch properly. Pegs and nails for heel seat fastening. The pegs for heel seat fastening No. 39 head, steel loose nails in lieu of pegs may be The nails shall be of sufficient length to * 3.3.22 Wax for thread Th
37、e wax for the thread used for the inseaming and the Goodyear stitching operations shall be white or golden and shall be a permanently plasticized resin that, in the temperature of normal machirte use, shall thorough- ly wax the thread for attaching the welt and the soling materials. 3.323 Bottom fil
38、ler. The bottom filler may be either a thermoplastic or a cold process type. -_ * 3.3.23.1 Thermoplastic type. The thermoplastic type of bottom filler shall The cork consist of a mixture of ground cork and a suitable thermoplastic binder in proportion by volume of three parts of cork to one part of
39、binder. granules shall be the best quality and substantially free from the outer layer of bark. The ground cork and the binder shall be thoroughly and evenly mixed. The binder shall be water insoluble and flexible. The binder shall have a softening point of at least 125 degrees Fahrenheit and a maxi
40、mum penetration of 85 millimeters with a 200-gram load for 60 seconds at 77 degrees Fahrenheit before combining. 3.3.23.2 Cold process type. The cold process type of bottom filler shall consist of a mixture of ground cork and a suitable binder in proportion by volume of a minimum of two and one-half
41、 parts of cork to one part of .binder. The cork granules shall be of the best-quality and substantially free from any part of the outer layer of bark. When. the cold process type of spread filler is dry and set, it shall consist of approximately four parts of cork to one part of binder. out the use
42、of heat. less than 150 degrees Fahrenheit and shall be water resistant and flexible. The cold process type of filler shall be spreadable with- The cold process type of filler shall not soften at 3.3.24 Adhesives ,. 3.3.24.1 The adhesive for sealing the upper seams and the inseam areas shall be eithe
43、r a vinyl type or a Buna-N type of adhesive. The vinyl type of adhesive shall be composed of a polyvinyl butyral base and a mnbleeding pthalate plasticizer and any other ingredients required to produce a clear, colorless adhesive of the highest quality suitable for the purpose intended. not less tha
44、n 7.4 pounds with a minimum total solid5 content of 19 percent and a viscosity of 40 to 50 seconds. The Buna-N type of adhesive shall conform to MIL-S-4383 except that the adhesive shall be natural color or colorless. Upper seams and inseam areas. The gallon weight of the vinyl type of adhesive shal
45、l be 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-83277A AL( m 9979706 OqOBb93 9 . MI L-B- 83277A(USAF) * 3.3.24.2 utsoles and midsoles. Adhesives that a however any of the adhesives utilized shall be one of the following three types: cem
46、ent, or synthetic resin solvent cement. suitable bond between the components of the boots and shall meet the specified minimum adhesive strength for the bonding of the midsoles to outsoles (see 6.7) and for the bonding of the welting to the outsoles before and after immer- sion of the bonded specime
47、n, welting to the midsoles shall be 50 psi. synthetic rubber solvent cement, synthetic resin and rubber solvent The cement shall form a fim and . The minimum adhesive strength for bonding the 3.3.25 Shank combination. The shank combination shall consist of a steel shank attached by four prongs or tw
48、o rivets to a shank board cover so that it is 5/8 inch (plus or minus 1/16 inch) from the front edee of the shank board cover. sizes specified in table V. The shank combinations used on the boots shall conform to the Shank ombinat ion Size 1 Size 2 Size 3 Size 4 TABLE V. Shank Combination Sizes Boot
49、 Sizes Width A 6-1/2 - 8 8-1/2 - 9-1/2 10 - 11 11-1/2 - 12 Widths B, C, D, and E 6 - 7-1/2 8-9 9-1/2 - 11 11-1/2 - 1242 Widths EE and EEE 7-1/2 8-9 9-1/2 - 11 11-1/2 - 12 3.3.25.1 Shank board covers. The shank board covers shall be cut right and left and in five sizes for the run of the boots for size 6-1/2 through size 12-1/2 in the proper widths to fill the entire width of the bottom cavity from the ball line to an
