The Undershirt,man's, cataloged under National Stock Number 8420-00-197-2879, is classified within Federal Supply Class 8420 (Underwear and Nightwear, Men's) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 8420-00-197-2879 |
| Item Name | Undershirt,man's |
| FSC / FSG | 8420 / 84 — Underwear and Nightwear, Men's |
| Status | ACTIVE |
| Garment Size | SMALL MAINBODY |
| Garment Sleeve Length | FULL LENGTH |
| Neck Opening Type | CREW |
| Nondefinitive Spec/std Data | 1 CLASS |
| Color | NATURAL OVERALL |
| Fiber Material | COTTON |
| Cloth-Fabric Name | KNITTED |
| 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 |
|---|---|
| MIL-U-2526 | 4/1 Identification reference U.S. Government activity |
NSN 8420-00-197-2879 is a Undershirt,man's, classified under FSC 8420, Underwear and Nightwear, Men's. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 8415-00-262-5218, 8415-00-270-0262. Verify interchangeability with system specifications before substitution.
Key specifications for 8420-00-197-2879: Garment Size: SMALL MAINBODY; Garment Sleeve Length: FULL LENGTH; Neck Opening Type: CREW; Nondefinitive Spec/std Data: 1 CLASS. 7 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.