1、MIL-B-87068 84 777770b 0410803 O W 3 MIL-B-87068 30 October 1979 . MILITARY SPECIFICATION BOOTS, SAFETY (NONSPARKING) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements for materials and
2、manufacture of non-sparking, water-resistant leather work footwear with oil and jet fuel resistant soles and heels and steel toes. 1.2 Classification. The boots shall be of one type in the following whole and half sizes, and widths as specified (see 6.2): Sizes 5 through 15 4 through 15 4 through 15
3、 4 through 15 4 through 15 Widths XN - Extra Narrow N - Narrow R - Regular W - Wide XI? - Extra Wide 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent
4、 specified herein: Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Facility, 21 Starthmore Road, Natick, MA addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at th
5、e end of this document or by letter. Officer in Charge, Navy Clothing and Textile Research 01760 by using the self- FSC 8430 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-87068 SPECIFICATIONS FEDERAL - C-F-206 - V-L-61 - V-T-285 - V-T-295 - K
6、K-1-570 - TT-C-490 - TT-S-735 - ccc-c-443 - DDD-T-86 - PPP-B-636 MILITARY - MIL-S-4383 - MIL-L-10867 - MIL-C-13924 - MIL-C-41814 - MIL-B-41818 - MIL-C-43956 - MIL-L-43585 - MIL-S-22777 STANDARDS FEDERAL - FED-STD-151 - FED-STD-191 - FED-STD-311 - FED-STD-601 - FED-STD-751 - Felt, Sheet: Cloth, Felt,
7、 Wool, Pressed - Laces, Footwear, Nylon - Thread, Polyester - Thread, Nylon - Insole, Footwear, Leather, Cattlehide - Cleaning Methods and Pre-treatment of Ferrous Surfaces for Organic Coatings - - Standard Test Fluids Hydrocarbon - Cloth, Duck, Cotton (Single and Plied, Filling - Tape, Textile, Cot
8、ton, General Purpose .- Boxes, Shipping, Fiberboard Yarns, Flat) (Unbleached, Bleached, or Dyed) _- - Sealing Compound, Topcoat, Fuel Tank, Buna-N - Leather, Gusset, Chrome-tanned, Fat Liquoured - Coating, Oxide, Black, For Ferrous Metals - Counters, Footwear - Boots, Combat, Mens Leather, Black (MI
9、L-5) - Cloth, Twill, Cotton, 10.0 ounces - Lasts, Footwear, Shoe, Safety-Toe, Mens - Soles and Heels, Rubber, Traction Tread, Shoe Type US MIL-7 - Metals; Test Methods - Textile Test Methods - Leather, Methods of Sampling and Testing - Rubber; Sampling and Testing - Stitches, Seams, and Stitchings t
10、 f 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-70b8 8q U 7797906 OqL0805 q MIL-B-87068 MILITARY - MIL-STD-105 - MIL-STD-129 - Sampling Procedures and Tables for - Marking for Shipment and Storage Inspection by Attributes LAWS AND REGULATI
11、ONS US POSTAL SERVICE MANUAL (Copies of the manual may be obtained from the Superintendent of Documents, US Government Printing Office, Washington, DC 20402.) 2.2 Other publications The following documents form a part of this specification to the extent specified herein, the issue in effect on date
12、of invitation for bids or request for proposal shall apply: Unless otherwise indicated, AMERICAN SOCIETY POR TESTING MATERIALS STANDARDS - B-36 - B-134 - D-5 - D-412 - D-1084 - D-2240 - D-746 - D-816 - D-2098 - D-2099 - E-28 - Brass, Plate, Sheet, Strip and Rolled Bar; - Brass, Wire; Specification f
13、or - Test for Penetration of Bituminous Materials - Tension Testing of Vulcanized Rubber - Test for Consistency of Adhesives - Test for Indentation of Rubber by Means of a Durometer - Test for Brittleness Temperature of Plastics and Elastomers by Impact - Testing Rubber Cements - Dynamic Water Resis
14、tance of Shoe Upper Leather by the Dow Corning Leather Tester - Dynamic Water Resistance of Shoe Upper Leather by the Maeser Water Penetration Tester - Test for Softening Point by Ring and Ball Apparatus Specification for (Application for copies should be addressed to the American Society for Testin
15、g Materials, 1916 Race Street, Philadelphia, PA 19103.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-87068 L( M 9999906 04LOb 6 W MIL-B-87068 AMERICAN NATIONAL STANDARDS INSTITUTE 9 ANSI 241.1-1972 - American National Standard for Mens Saf
16、ety-toe Footwear (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY 10018). NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to American Truckin
17、g Association, Inc., Attn: Traffic Department, 1616 P Street, N.W., Washington, DC 20036.) UNIFORM CLASSIFICATION COMMITTEE, AGENT Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 South Riverside Plaza, Chicago, IL 606
18、06.) 3. REQUIREMENTS 3.1 Guide sample. Samples, when furnished, are solely for guidance and information to the contractor (see 6.3). Variation from this specification may appear in the sample, in which case this specifcation shall govern. ) 3.2 First article. When specified (see 6.2), the contractor
19、 shall furnish sample unit(s) for first article inspection and approval (see 4.2 and 6.2). - 3.3 Materials 3.3.1 Upper leather, vamps, quarters, toe tip and counterpocket backstay. The uppers shall be cut from the best quality, chrome tanned sides. The tannery lots shall not exceed 25,000 square fee
20、t. The sides shall be full grained, 4 to 5 1/2 ounces in thickness and the area of a side shall not exceed 22 square feet. The break in vamps and quarters shall not be more than a break scale of 5 (see 4.3.5.1). perceptible, are permitted in cut parts. shall not be permitted. stating that the leathe
21、r does not contain a printed or embossed finish. Cut parts with perceptible scratches, brands, open scars or light flesh cuts that show through the grain surfaces of the leather shall not be used. Flanky, loose, boney, pipey, cracked or any rough or coarse grain leather shall not appear in the vamps
22、 or quarters; however, these defects may appear in the tongue area or counter pocket. specified in 4.3.2.2. Surface defects, if barely Embossing or printing of leather A certificate of compliance shall be submitted, . Cut parts shall be examined as 4 Provided by IHSNot for ResaleNo reproduction or n
23、etworking permitted without license from IHS-,-,-3.3.1.1 Water resistance. The sides of the leather shall be treated with a suitable water resistance compound to bar water penetration and water absorption. 3.3.1.1.1 Water penetration. The leather shall withstand 4,000 Dow Corning flexes or 15,000 Ma
24、eser flexes; however, 30 percent of the samples shall withstand not less than 1000 Dow Corning flexes or 3,000 Maeser flexes when tested as specified in 4.3.1. 3.3.1.1.2 Water absorption. The leather shall absorb not more than 30 percent of its weight after being immersed in water when tested as spe
25、cified in 4.3.1. 3.3.1.2 Color and finish. The leather shall be black and shall be drum dyed. out with no buffing or snuffing to remove surface blemishes. A light application of black finish containing only a sufficient amount of pigment to assist in obtaining a uniform color may be applied and the
26、surface brought to a smooth finish. be cleaned of coarse fibers. The leather shall be full grain and shall be finished grain side The flesh side of the leather shall 3.3.2 Leather tongues, eyelet stays arid top facings. Tongues, eyelet stays and top facings shall be leather confodng to treatment B o
27、f MIL-L-10867. Thickness of the leather shall be not less than 2 1/4 ounces or more than 3 1/2 ounces. Requirements for stitch tear strength, shrinkage, temperature, stiffness, paranitrophenol and chemical requirements shall not apply. Not less than 80% of the treated leather samples tested shall wi
28、thstand a minimum of 50 taps when tested as specified in 4-3.1. 3.3.3 Combination vamp lining. The vamp lining shall have a leather toe tip of soft chrome-tanned, full grain or corrected grain, cattlehide glove leather. The color of the leather shall be as produced by the tanning agents. A light app
29、lication of dye may be used to level the color of the grain surface. The leather shall be minimum of 2 ounces and a maximum of 3 1/2 ounces in thickness. fabric conforming to class 2 of MIL-C-43956. The remainder of the vamp lining shall be 3.3.4 Heel pads. The heel pads may be cut from leather spec
30、ified in 3.3.3.1 sheepskin or natural kid or calf, with a minimum of 2 ounces and a maximum of 3 1/2 ounces in thickness. 3.3.i is acceptable provided the top finish has been removed by buffing or splitting and the thickness is a minimum of 2 ounces and a maximum of 3 1/2 ounces. Use of leather spec
31、ified in 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-870b8 84 747740b 0430808 T M MIL-B-87068 3.3.5 Insoles. The insoles shall conform to type I, class 1, tannage (a) or (b), of KK-1-570, except that the thickness shall be 5 1/2 to 7 1/2
32、irons and the requirements for paranitrophenol shall not apply. 3.3.6 Leather, general. Leather components are not required to contain a fungicide treatment. However, leather components may contain paranitrophenol fungicide provided the fungicide content of the leather does not exceed 0.70 percent b
33、ased on the dry weight of the leather, when tested as specified in 4.3.1. 3.3.7 Outsoles. The outsoles shall confarm to type I, Grade C of MIL-S-22777, design or a surface of a commercial design approved by the preparing activity. As an alternate, the tread area may be of a straight bar 3.3.8 Heels.
34、 Heels shall conform to type II, Grade A or C, class 1 Of MIL-S-22777. design or a surface of a commercial design approved by %he preparing activity, As an alternate, the tread area may be of a straight bar 3.3.9 Welting, synthetic/ The synthetic welting shall be black and conform to the dimensions
35、of Figure 2. smooth, uniform in texture, be free of all defects that affect service- ability and appearance and conform to the requirements specified in Table I when tested as specified in 4.3.1. 0.11 to 0.13 inch diameter bead may be used. The finished welting shall be As an alternate, a storm welt
36、 with a Table 1 - Synthetic welting requirements Property Requirements Initial Hardness Specific gravity Brittle point Brittle point (after aging) Tensile strength, pounds per sq. in Elongation, percent Water absorption, percent gain Peel resistance (after immersion) Hardness Tensile strength, pound
37、s Elongation, percent per sq. in 85-96 1.32 maximum -154F (-264C) or less +201 (r6.712;C) maximum change from standard brittle point 2300 minimum 225 minimum 3.00 maximum 55 minimum 1800 minimum 225 minimum VolGe swei; percent 35 maximum 6 Provided by IHSNot for ResaleNo reproduction or networking p
38、ermitted without license from IHS-,-,-3.3.10 Counters. Counters shall conform to the requirements of MIL-G-41814. 3.3.10.1 Counter sizes. Counters shall be made in a sufficient number Counters of sizes to cover boot sizes 4 through 15 and necessary widths. shall conform to the shape of the MIL-7 las
39、t (MIL-L-43585). 3.3.11 Adhesives 3.3.11.1- Seam seal adhesive. The adhesives used for sealing the inseam areas shall be as specified in 3.3.11.1.1 or 3.3.11.1.2. 3.3.11.1.1 Vinyl type. The adhesive shall be composed of a polyvinyl butyral base and a non-bleeding pthalate plasticizer and other ingre
40、dients necessary to produce a clear colorless adhesive for the purpose intended. The adhesive shall have a minimum weight of 7.40 pounds per gallon, with a minimum total solids content of 19 percent and a viscosity of 40 to 50 seconds when tested as specified in 4.3.1. 3.3.11.1.2 Buna-N-type. The ad
41、hesive shall conform to the requirements of MIL-S-4383 except that the color shall be natural or colorless. 3.3.12 Fabrics 3.3.12.1 Insole reinforcement. The insole reinforcement shall be a cotton duck material conforming to Type I or III of CCC-C-443. alternate, an insole reinforcement fabric confo
42、rming to the requirements of 3.3.25 may be used. As an 3.3.12.2 Backseam tape. The backseam tape, when used, shall be 1/2 inch or 7/16 inch wide conforming to type I, class 1 of DDD-T-86, except that the requirement for non-fibrous material shall not apply. 3.3.13 Thread 3.3.13.1 Thread, upper fitti
43、ng. Upper fitting stitching operations shall be performed using nylon thread conforming to type I: or II, Class 1, or Type III of V-T-295. Colorfastness requirements shall not apply. Thread size shall be E for the needle and bobbin on stitch type 301 and E for the needle and B or E for the looper wi
44、th stitch type 401. The color shall be black. 3.3.13.2 Thread, Goodyear stitching. Thread used for Goodyear (sole) stitching shall be polyester conforming to Type I, Class 1, subclass C of V-T-285, The running thread shall be black, size 10, 3 ply. The shuttle thread shall be natural, size 10, 3 or
45、6 ply. Colorfastness requirements shall not apply. 3.3.13.3 Thread, inseamine;, polyester. The polyester inseaming thread shall conform to type I, class 1, subclass C of V-T-285. The thread shall be size 10, 3-or 6 ply and-natural in color. 3.3.14 Box toes 7 Provided by IHSNot for ResaleNo reproduct
46、ion or networking permitted without license from IHS-,-,-. . ._ - - _ MIL-B-87068 8LJ 777770b 04l10810 8 MIL-B-87068 - 3.3.14.1 Understructure box toe, The understructure box toe shall be made of two layers of single napped cotton fabric, having a combined finished thickness of 0.034 to 0.038 inch a
47、nd shall have a minimum finished weight of 12 ounces per square yard when cemented together with a polyvinyl acetate resin. The amount of the adhesive used shall not be less than 50 percent of the fabric weight. The napped surfaces shall be on the outer sides. when the box toe is inserted in the box
48、 toe heating equipment. alternate, a unicellular (closed cell) material, not less than 3/32 inch in thickness, may be used in lieu of the impregnated understructure box toe. of the steel box toe and completely line the steel box toe and shall be large enough to be caught in the inseaming operation.
49、The polyvinyl acetate resin adhesive shall become soft and pliable As an The foam material used shall extend approximately 1/2 inch rearward 3.3.14.2 Toe cushion. The material, used to cushion the steel box toe and mask the breastline, shall be of wool felt conforming to Type III, classification 9A-2 of C-F-206 As an alternate, the following materials may be used in lieu of wool felt, and shall be cut larg
