The Undershirt,man's, cataloged under National Stock Number 8420-01-554-8957, is classified within Federal Supply Class 8420 (Underwear and Nightwear, Men's) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Smartwool Corporation. Government technical data includes 4 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.
| Parameter | Value |
|---|---|
| NSN | 8420-01-554-8957 |
| Primary Part Number | 14-610 LARCH GREEN,XXL |
| Item Name | Undershirt,man's |
| FSC / FSG | 8420 / 84 — Underwear and Nightwear, Men's |
| Manufacturer | Smartwool Corporation |
| Status | ACTIVE |
| Garment Size | XX-LARGE MAINBODY |
| Garment Sleeve Length | QUARTER LENGTH |
| Neck Opening Type | CREW |
| Fiber Material | WOOL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 14-610 LARCH GREEN,XXL PRIMARY | Smartwool Corporation (USA) |
NSN 8420-01-554-8957 is a Undershirt,man's, manufactured by Smartwool Corporation, classified under FSC 8420, Underwear and Nightwear, Men's. Status: active.
NSN 8420-01-554-8957 has 1 manufacturer part number on file: 14-610 LARCH GREEN,XXL (Smartwool Corporation).
Key specifications for 14-610 LARCH GREEN,XXL: Garment Size: XX-LARGE MAINBODY; Garment Sleeve Length: QUARTER LENGTH; Neck Opening Type: CREW; Special Features: LARCH GREEN; WOOL FROM NEW ZEALAND MERINO SHEEP. 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.