NSN 8440-01-662-9980 — this item is cataloged by the U.S. Government under National Stock Number 8440-01-662-9980. Manufacturer of record part number: SW001071-XL.
Also searched as8440-01-662-9980 ·
8440016629980 ·
NIIN 016629980 ·
01-662-9980 ·
FSC 8440 Hosiery, Handwear, and Clothing Accessories, Men's · CAGE 3CV22 · SW001071-XL
FSC: 8440 — Hosiery, Handwear, and Clothing Accessories, Men's
FSG: 84 — Clothing, Individual Equipment, and Insignia
Primary part number: SW001071-XL
Manufacturer: Smartwool Corporation
General Description
The Socks, cataloged under National Stock Number 8440-01-662-9980, is classified within Federal Supply Class 8440 (Hosiery, Handwear, and Clothing Accessories, Men's) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Smartwool Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
8440-01-662-9980
Primary Part Number
SW001071-XL
Item Name
Socks
FSC / FSG
8440 / 84 — Hosiery, Handwear, and Clothing Accessories, Men's
Other items in FSC 8440 — Hosiery, Handwear, and Clothing Accessories, Men's
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
8440-00-004-2530
SOCKS
8440-00-004-2531
SOCKS
8440-00-004-2532
SOCKS
8440-00-004-2533
SOCKS
8440-00-004-2534
SOCKS
8440-00-004-2535
8440-00-004-2535 · Item name not on file
8440-00-004-2536
SOCKS
8440-00-032-2728
8440-00-032-2728 · Item name not on file
Frequently Asked Questions
What is NSN 8440-01-662-9980?
NSN 8440-01-662-9980 is a Socks, manufactured by Smartwool Corporation, classified under FSC 8440, Hosiery, Handwear, and Clothing Accessories, Men's. Status: active.
What part numbers are listed for NSN 8440-01-662-9980?
NSN 8440-01-662-9980 has 1 manufacturer part number on file: SW001071-XL (Smartwool Corporation).
What are the specifications of SW001071-XL?
Key specifications for SW001071-XL: Size: X-LARGE; Features Provided: BREATHABLE; Special Features: VIRTUALLY SEAMLESS TOE; CREW LENGTH SOCK HEIGHT.; Fiber Material: WOOL OVERALL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 8440-01-662-9980 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.