The Undershirt,moisture Wicking, cataloged under National Stock Number 8420-01-643-3517, 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 Peckham Vocational Industries, Inc. Dba Peckham, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8420-01-643-3517 |
| Primary Part Number | 6812-MLCM-SL |
| Item Name | Undershirt,moisture Wicking |
| FSC / FSG | 8420 / 84 — Underwear and Nightwear, Men's |
| Manufacturer | Peckham Vocational Industries, Inc. Dba Peckham, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL E — Frag Demil |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6812-MLCM-SL PRIMARY | Peckham Vocational Industries, Inc. Dba Peckham, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 19222-MLCM-SL | 5/9 Secondary reference Patagonia Works |
NSN 8420-01-643-3517 is a Undershirt,moisture Wicking, manufactured by Peckham Vocational Industries, Inc. Dba Peckham, Inc., classified under FSC 8420, Underwear and Nightwear, Men's. Status: active.
NSN 8420-01-643-3517 has 1 manufacturer part number on file: 6812-MLCM-SL (Peckham Vocational Industries, Inc. Dba Peckham, Inc.).
Key specifications for 6812-MLCM-SL: Special Features: PCU LEVEL 9 NEXT TO SKIN SHIRT W/ PRINT MULTICAM SL V2.. 0 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.
NSN 8420-01-643-3517 has DEMIL Code E. Demilitarization may be required before disposal or transfer to non-military entities.
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.