1、MIL-C-24935 4 W 9997906 03Y857 1 = NCH - POUNq MIL-C-24935 22 December 1988 MILITARY SPECIFICATION COVERALLS, FIREMENS This specification is approved for use by all Departments and Agencies of the Department of Defense. iF u ,- 1. SCOPE 1.1 Scope. This specification covers the requirements for a fla
2、me resistant coverall with a para-aramid and polybenzimidazole (PBI) blend outershell, a quilted aramid liner and a waterproof moisture barrier interlining, 1.2 Classification. The coveralls shall be of one type in the following sizes (see 6.2). 1.2.1 Sizes Small, Medium, Large, X-Large, X-Large-Lon
3、g 2. APPLICABLE DOCUMENTS a 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the
4、issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Off
5、icer in Charge, Navy Clothing and Textile Research Facility, 21 Strathmore Road, Natick, MA 01760-2490 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 8415 DISTRIBUTION STATEMENT A. Approved for
6、 public release, distribution is unlimited. THIS DOCUMENT CONTAINS 9 PAGES. Licensed by Information Handling ServicesMIL-C-24935 84 939990b 0384858 3 W MIL-C-24935 SPECIFICATIONS FEDERAL V-F-106 KK-L-2004 NN-P-7 1 DDD- L- 2 O MILITARY MIL-C-3735 MIL-T-5624 MIL-A-8243 MIL-W-5664 MIL-P-15011 MIL-B-177
7、57 MIL-E-20652 MIL-F-21840 MIL-C-24939 MIL-C-43774 MIL-T-44100 MIL-B-87002 STANDARDS FEDERAL FED-STD-191 FED-STD-311 FED-STD-751 MILITARY MIL-STD-105 MIL-STD-129 MIL-STD-147 MIL-STD-1668 - Fastener, Slide, Interlocking - Leather, Cattlehide, Deerskin and Horsehide, Chrome Tanned - Pallets, Material
8、Handling, Wood, Stringer Construction, 2 Way and 4 Way Entry (Partial). - Label; For Clothing, Equipage, and Tentage (General Use) - Cuffs, Knit, Wrist and Ankle, and Cloth Knitted - Turbine Fuel, Aviation, Grades JP-4 and JP-5 - Webbing, Textile, Elastic - Anti-icing and Deicing - Defrosting Fluid
9、- Pallet, Material Handling, Wood Post Construction, - Boxes, Shipping, Fiberboard, (Modular Sizes) - Eyelet, Metallic, Rolled Flange Type, and Eyelet - Fastener Tapes, Hook and Loop, Synthetic - Cloth, Ripstop, Para-aramid/PBI, Water Repellent - Cloth, Plain or Pajama Check Weave, Aramid - Thread,
10、Para-Aramid, Spun, Intermediate Modulus - Batting, Synthetic Fibers, Quilted, Aramid 4-Way Entry Washer - Textile Test Methods - Leather, Methods of Sampling and Testing - Stitches, Seams, and Stitchings - Sampling Procedures and Tables for Inspection by - Marking for Shipment and Storage - Palletiz
11、ed Unit Loads - Provisions for Evaluating Quality of Cloth Coveralls Attributes P (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-
12、5099.) 2 Licensed by Information Handling ServicesMIL-C-24735 84 7777906 0384857 5 MIL-C-24935 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherw
13、ise specified, the issues are those cited in the solicitation. U.S. POSTAL SERVICE MANUAL (Copies of the manual may be obtained from the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402-0001) 2.2 Non-Government publications. The following document(s) form a part of
14、3 this document 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 cited in the solicitation. Unless otherwise specified, * the issues of documents not listed in the DODISS are the issues of t
15、he documents cited in the solicitation (see 6.2). NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification (Application for copies should be addressed to the American Trucking Association, ATTN: Traffic Department, 1616 P Street, N.W., Washington, DC 20036-1404).
16、 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, Illinois 60606-5808). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM E 96 - Water Vapor
17、Transmission of Materials (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187) TECHNICAL MANUAL OF THE AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) Test Method 135 - Dimensional Changes in Auto
18、matic Home Laundering of Durable Press Woven or Knit Fabric (Application for copies should be addressed to AATCC, P.O. Box 12215, Research Triangle Park, NC 27709-2215) 3 Licensed by Information Handling Services- MIL-C-24735 84 7777706 0384860 1 MIL-C-24935 NATIONAL FIRE PROTECTION ASSOCIATION STAN
19、DARD NFPA 1971 Protective Clothing for Structural Firefighting - 1986 Edition (Application for copies should be addressed to NFPA, 60 Batterymarche Street, Boston, MA 02110.) I (Non-Government Standards and other publications are normally available from the organizations that prepare or distribute t
20、he documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, h
21、owever, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Guide sample. Samples, when furnished, are solely for guidance and information to the contractor (see 6.3). Variations from this specification may appear in the sample in which case
22、this specification shall.govern, I 3.2 First Article. When specified, the contractor shall furnish sample unit(s) for first article inspection and approval (see 4.3 and 6.2). 3.3 Material. 3.3.1 Basic material. The material for the outershell shall be a ripstop para-aramid/PBI water repellent (see 6
23、.7) fabric conforming to MIL-C-24939. 3.3.2 Quilted lining. The material for the quilted lining shall be in accordance with MIL-B-87002 except that the batting filler shall be covered on one side only with pajama check aramid cloth. The batting shall consist of virgin or reprocessed 100% aramid fibe
24、rs, natural or solution dyed and meet the following requirements when tested as specified in MIL-B-87002: Weight - Thickness - 0.13 - 0.21 inch Compressional recovery - 80% (min) 6.0 - 7.0 oz/yd2 The face side of the quilt shall be a fire resistant aramid pajama check weave cloth in accordance with
25、MIL-C-43774, color natural. The thread used to stitch the cover cloth to the batting shall be made of spun aramid fiber as specified in MIL-B-87002. The quilt pattern shall be “chicken wire“ design in accordance with figure 2. The stitch pattern shall contain 6-8 stitches per inch. Licensed by Infor
26、mation Handling ServicesMIL-C-24735 84 7779706 0384863 3 ! I r i MIL-C-24935 3.3.3 Cloth, laminated. The interlining material for the coverall shall be a two layer laminated cloth which is waterproof and moisture vapor permeable. The back of the cloth shall be a flame resistant, aramid pajama check
27、weave cloth conforming to MIL-C-43774, except that the antistat shall not be applied to the fabric and the requirement for antistat shall be deleted. Color of the fabric shall be natural. The face side of the laminated cloth shall contain 9 micropourous, expanded polytetrafluoroethylene film weighin
28、g 0.7 + 0.3 oz/yd as tested in 4.4.1 and an adhesive suitable for the purpose htended and . compatible with the film. The face and back cloths-shall be laminated together in such a manner that the assembled (finished) cloth shall comply with the requirements specified in Table I when tested as speci
29、fied in 4.4.1. (see 6.6). TABLE I - Characteristic Requirement Moisture yapor Transmission rate, gms/m /24hrs (min) Procedure B 550 Procedure BW 3500 Hydrostatic Resistance, PSI (min) 50 Leakage After Exposure to Aircraft Fluids No leakage Dimensional Stability (after 5 wash/dry cycles) Warp and Fil
30、l (max) Flame Resistance (after 5 wash/dry cycles) Char length (inch) After Flame (sec) Warp and Fill (max) Warp and Fill (max) 5% 4.0 2.0 Leakage After 5 Wash/Dry Cycles No Leakage Thermal Shrinkage (max) 10.0% 3.3.4 Leather. The leather strip for binding the leg bottoms, slide fastener thong and r
31、einforcing the pockets and knees shall be a flesh split cattlehide, natural color of tannage, of not less than 2-3/4 nor more than 3-1/2 ounce thickness conforming to type IV, Class 2 of KK-L-2004 after silicone treatment specified in 3.3.4.1, except for the following: a. Shrinkage temperature shall
32、 be not less than 105OC. b. Tests for percent ash and chloroform-soluble material not required. Licensed by Information Handling Services- -_-_ MIL-C-24735 84 W 7777906 0384862 5 MIL-C-24935 3.3.4.1 Silicone treatment. The leather shall be treated with an approved durable silicone compound (see 6.7)
33、 to lower its water absorption. The treated leather shall not absorp more than 30 percent water when tested as specified in 4.4.1. 3.3.5 Cloth, corduroy. The material for the topcollar shall be 100% cotton. It sga11 have a minimum of eight wales per inch and weigh not less than 8.0 oz/yd . The cloth
34、 shall be fast dyed (no sulphur) either dark blue, brown, dark green, black, or olive drab and have an approved durable .flame resistant treatment (see 4.4.1 and 6.7). The dyed and treated cloth shall show good colorfastness to crocking and perspiration. 3.3.6 Eyelets and washers. The eyelets and wa
35、shers for the pockets shall conform to rolled flange type, M20652/1-BBE114 and M20652/1-BBW101 of MIL-E-20652, except that the finish shall be brass. I 3.3.7 Elastic. The material for the elastic waistband shall be webbing conforming to Type I, Class 1 of MIL-W-5664, 1 inch wide, except that the col
36、orfastness requirements shall not apply. 3.3.8 Snap fasteners. Snap fasteners for the front closure shall be in accordance with the following Universal Fastener style nos. or equal (see 4.4.1, 6.6, and 6.8): # 24 ligne Capped Top - Brass - Nickel Plated 710 Socket - Brass - Nickel Plated 720 Stud -
37、Brass - Nickel Plated # 18 Fastener - Brass - Nickel Plated 3.3.9 Wristlets. The material for the wristlets shall be in accordance with MIL-C-3735, Type IV, except that it shall be a rib (1x1) para-aramid knit fabric. Fibers shall be 1.5 denier, 8 singles yarn ct., and a minimum of 15 wales per inch
38、 and 18 courses per inch, when tested as specified in 4.4.1. The color shall be natural and the finished width of the tube shall be 3 (+ - 1/2) inches. I 3.3.10 Aramid non-woven with neoprene coating fabric. The material for the knee patch backing shall be an aramid nonwoven needled fabric coated wi
39、th fire retardant neoprene on one side. The non-woven component shall consist of 60% (+ 5%) reprocessed aramid fibers and 40% (+ 5%) virgin ,aramid fibers, needla to a polyester scrim, at a minimum weight-of 1.8 oz/yd . The finished material shall meet the requirements of Table II, when tested as sp
40、ecified in 4.4.1. TABLE II Characteristic Requirement I Weight - oz/yd2 Thickness - inches 19.0 (+1.0) - .O80 - e180 6 Licensed by Information Handling ServicesMIL-C-24735 4 7777706 034863 7 i r i i I L t 1 E 1 I L i t MIL-C-24935 3.3.11 Reflective tape. The reflective tape shall be in accordance wi
41、th 3M style 8986 fluorescent red-orange, 3 inch wide or equal (see 6.6 and 6.8). 3.3.12 Seam sealing tape. The tape (see 4.4.1 and 6.4) for covering and sealing all designated seams and stitching shall be cut in 1 (+1/8,-O) inch wide strips. The tape shall consist of the following components bonded
42、together : 1. A microporous polytetrafluoroethylene film weighing 2. Adhesive, thermoplastic not less than 5.4 mils thick a minimum of 0.6 oz/yd 3.3.13 Thread. The thread for seaming the outershell and liners shall be a para-aramidread, size T 50 for the needle and size T 35 for the bobbin/looper, n
43、atural in color, conforming to MIL-T-44100. 3.3.14 Hook and loop fastener tape. The hook and loop fastener tapes shall conform to Type II, Class 1 of MIL-F-21840, The width of the tape shall be as specified in Table III. The color shall be natural or black. 3.3.15 Slide fastener. The slide fastener
44、for the front closure shall conform to Type I, Style 15, Size MH of V-F-106 and the slide fastener for the leg closures shall conform to Type I, Style 3, Size MH of V-P-106, except that all metal components for all the slide fasteners shall be fabricated of brass and purchased from the same contract
45、or. The tape of the fasteners shall be high-temperature resistant aramid. The color of the tape shall be black and shall meet commercially acceptable colorfastness requirements for aramid fabric. The tab shall be a long pull. The finished length of the slide fastener for the front closure shall be 2
46、3 (+1/2) inches for sizes Small and Medium, 24 (+1/2) - inches for sizes Large an% X-Large and 26 inch for size X-Large Long. Finished length for the leg slide fastener shall be 9.0 (+1/4) inches for all sizes. (see 4.4.1). 3.3.16 Label. Each coverall shall have a combination instruction and identif
47、ication label conforming to Type VI, Class 15 of DDD-L-20. The fastness to laundering requirement of DDD-L-20 shall apply. The label shall bear the following inscription: COVERALLS, FIREMENS FIBER CONTENT: Outershell - 60% Para-aramid/ 40% PBI Interlining - PTFE laminated to 100% Para Aramid Lining
48、- 100% Para-Aramid Quilt CONTRACT NO: DLA-100-00-0-0000 (EXAMPLE) NAME OF CONTRACTOR: NAME OF MANUFACTURER: (If other than contractor) Licensed by Information Handling ServicesMIL-C-24735 4 W 7799706 034bl 9 W MIL-C-24935 LAUNDERING INSTRUCTIONS HAND WASH IN LUKE WARM WATER DO NOT BLEACH HANG TO DRY
49、 OR NAVEDTRA 414-01-45-81 FORMULA III NOTE: TURN COVERALL INSIDE OUT BEFORE TUMBLE DRY HIGH DRYING TEMPERATURES COULD DAMAGE MATERIALS TUMBLE DRY - LOW HEAT WARNING OUTERSHELL, MOISTURE BARRIER AND THERMAL BARRIER MUST BE INTACT AND IN PLACE WITH ALL CLOSURES FASTENED WHEN IN USE. DO NOT KEEP IN DIRECT WILL REDUCE PROTECTIVE QUALITIES. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN SERIOUS INJURY. CONTACT WITH FLAME. KEEP GARMENT CLEAN - SOILING DO NOT STORE THIS GARMENT IN DIRECT SUNLIGHT DO NOT REMOVE THIS LABEL 3.3.16.1 Size label. A seperate size label con
