Spec_data-A-A55300--PGC_02310-01-16-19.pdf

INCH-POUND

A-A-55300 July 12, 1996

COMMERCIAL ITEM DESCRIPTION

SOCKS, HEAVY WEIGHT, ALL WEATHER

The General Services Administration has authorized the use of this commercial item description for all Federal agencies.

1. Scope. This commercial item description covers requirements for an all weather, heavy weight sock. This sock is designed to be worn over top of a wicking liner sock as part of a system configuration that wicks moisture from the foot and provides insulation. This configuration can be worn with either an insulated or uninsulated boot.

2. Classification. The sock shall be of one type and class. The sock shall be provided in Sizes 9 through 15.

3. SALIENT CHARACTERISTICS

3.1 Basic Material. The yarn for the sock shall be a blend of 50% wool (48's grade) and 50% polypropylene (3 denier, 3 inch cut). The single yarn size shall be 140 grains for 100 yards (8.93 worsted count) with 8 to 8.5 turns per inch with 3 ends used in the foot to 3 inches above the center heel gore. Two ends of the 50/50 blend are used with one end of 3/70's denier nylon from the 3 inch mark (as above) to the bottom of the 2 inch 1X1 cuff. The cuff shall be constructed of 435P elastic rubber for 2 ends of the 50/50 blend.

3.2 Design. The sock shall be constructed of high density reversed terry knit to withstand maximum load conditions, and to provide insulation, resilience and loft. The nap is reversed and worn on the outside of the sock to provide maximum thermal properties. The cuff shall be a 1X1 mock rib.

3.3 Knitting. The socks shall be knitted on a 5.0 inch diameter head, single cylinder, 72 needle terry knitting machine. The knit shall be a high density reversed jersey with 15 courses per inch vertical with a reciprocated heel. The top shall be a 2 inch 1X1 mock rib by

3.5 inches wide, with 13 courses per inch.

3.4 Toe seam. The toe seam shall be arch form (fish mouth closure) and sewn using 2/100's stretch nylon (Diagram A, Figure 1).

Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Defense Personnel Support Center, Clothing and Textiles Directorate, Attn: DPSC-FNSC, 2800 South 20th Street, Philadelphia, PA 19145-5099.

AMSC N/A FSC 8415

DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.

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3.5 Color. The color of the wool shall be olive drab blended with natural polypropylene.

3.6 Sizes and measurements. The foot length of the sock in inches shall be used for the sock size (see Table I). This would be measured from the back of the heel through the center of the heel gore to the end of the toe. The sock height shall be 14 inches for sizes 9 thru 15. The sock height shall be measured from the bottom of the heel gore to the top of the sock (Figure 2).

3.7 Physical requirements. The finished socks shall conform to the requirements as indicated in Table I:

Table I. Physical Requirements

Characteristic Requirement Test Method Lengthwise Stretch:

Foot

Leg

No greater than 1-3/4 inches horizontally No greater than 1-1/2 inches vertically No greater than 8 inches horizontally

1/

Crosswise Stretch:

Top No greater than 8 inches

1/

Weight Per Pair:

Size

Ounces Per Pair

6.7 + 0.3

7.0 + 0.4

7.2 + 0.4

7.7 + 0.4

8.0 + 0.4

8.2 + 0.4

8.7 + 0.5

2/

Foot Length:

Size

Inches (+ 1/4)

See. 3.6

1/ Each sock shall be tested for fit per Appendix A, Use of Foot Forms, Procedure A, of the current edition of the National Association of Hosiery Manufacturers (NAHM) Sizing Standard for sizing of Men's, Women's and Children's Knee High and Shorter Hosiery.

2/ Weight is determined by first conditioning the socks as directed in accordance with method ASTM-D 1776.

3.8 Label/marking. Each sock shall have a sewn-on combination size and care instruction label placed below the cuff on the outside (reverse terry) of the sock. The size label shall be printed with characters a minimum of 5/16 inch in height and contain the following information: Sock size, legend, contract number, NSN. The label shall also include the following care instructions: Wash with warm water. No bleach. No softener either in the washer or dryer. Tumble dry low.

3.8.1 Label/tag. Each item shall be individually bar-coded with a paper tag for personal clothing items. The paper tag shall be standard bleached sulfate having a basis weight of 100 pounds. The paper used for the tags shall have a smooth finish to accept thermal transfer and direct printing. The tags shall have a hole and shall be attached to each item by a fastener, clearly legible and readable by a scanner. The bar coding element shall be a 13 digit national stock number (NSN). The bar code type shall be a medium to high code density and shall be located so that it is completely visible on the item when it is folded and/or packaged as specified and so that it causes no damage to the item.

3.9 Finishing. The toe seam shall be laid side by side and finished on an Intek or comparable drying machine and dried vertically on the toe/heel form (Diagram B, Figure 1). The finished socks shall be thoroughly cleaned by washing at 140o Fahrenheit for 30 minutes and all foreign matter removed.

4. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).

5. QUALITY ASSURANCE PROVISIONS

5.1 Product conformance. The products provided shall meet the salient characteristics of this commercial item description; and be the same product offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. The contractor shall provide a certificate of conformance for the wool, polypropylene, and nylon yarns to indicate the yarns conform to the fiber, twist, yarn count and ply requirements cited in the document. The contractor shall provide the certificates of conformance prior to the first delivery of the contract.

5.2 Market acceptance criteria. Acceptance criteria shall be as specified in the contract or purchase order. The company offering the socks, or generically similar socks as described herein, must have been sold to the commercial market or to the Government for at least 2 years.

5.3 Visual examination. Each sock shall be examined for the defects listed below.

5.3.1 Defects. Any hole, cut, tear, needle chew, lumps, or puckers in the toe seam; any run, snags, dropped stitches, noticeable variation in shade between two socks of a pair, noticeable variation in size (length and width) in a pair, knit construction of sock not as specified, open seam; color not as specified; any spot or stain; thread ends not trimmed; label missing, misplaced, incorrect, or illegible; measurement of item not as specified; bar code omitted or not readable by scanner; human-readable interpretation (HRI) omitted or illegible; bar code not visible on folded, packaged item; bar code causes damage to the item; any items not packaged in accordance with the contract or purchase order.

5. PACKAGING

5.1 Preservation, packing, and marking. The preservation, packing, and marking shall be as specified in the contract or order.

6. NOTES

6.1 Sources of Government documents. Copies of military and Federal documents are available from:

Department of the Navy, Defense Printing Service, Detachment Office, 700 Robbins Avenue, Bldg. 4D, Philadelphia, PA 19111-5093

6.2 Source of non-Government documents

NAHM SIZING STANDARD

(Application for copies should be addressed to (National Association of Hosiery Manufacturers, 447 S. Sharon Amity Road, Charlotte, NC 28211.)

MILITARY INTERESTS:

Custodians CIVIL AGENCY COORDINATING ACTIVITY:

Navy - AS GSA - FSS

Review Activities PREPARING ACTIVITY:

Navy - NU, MC DLA - CT Coast Guard - CG

Project Number (8415-0103)

F I G U R E 1 . T o e S e a m

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A = S o c k H e i g h t B = F o o t L e n g t h C = Center of Heel Gore D = T ip of Toe E = B a c k o f H e e l

F i g u r e 2 . M e a s u r e m e n t s

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