The Socks, cataloged under National Stock Number 8440-01-508-5583, is classified within Federal Supply Class 8440 (Hosiery, Handwear, and Clothing Accessories, Men's) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8440-01-508-5583 |
| Item Name | Socks |
| FSC / FSG | 8440 / 84 — Hosiery, Handwear, and Clothing Accessories, Men's |
| Status | ACTIVE |
| Size | X-LARGEX-LARGE |
| Procurement Group Code | 02884 |
| Color | WHITE OVERALL |
| Size Sequence Indicator | 020 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CR/PD-03-16 | 5/9 Secondary reference U.S. Government activity |
| CR/PD 03-17 | 3/1 Design control — primary reference U.S. Government activity |
NSN 8440-01-508-5583 is a Socks, classified under FSC 8440, Hosiery, Handwear, and Clothing Accessories, Men's. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 8415-01-530-0093, 8415-01-530-0104, 8415-01-530-0146. Verify interchangeability with system specifications before substitution.
Key specifications for 8440-01-508-5583: Size: X-LARGEX-LARGE; Procurement Group Code: 02884; Color: WHITE OVERALL; Special Features: QUARTER CREW STRETCH TYPE WITH A MOCK OR TRUE RIB KNIT ELASTIC TOP, ELASTOMERIC YARN OR SPANDEX FOR MOCK RIB, HALF CUSHION TERRY IN FOOT AREAQUARTER CREW STRETCH TYPE WITH A MOCK OR TRUE RIB KNIT ELASTIC TOP, ELASTOMERIC YARN OR SPANDEX FOR MOCK RIB, HALF CUSHION TERRY IN FOOT AREA. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.