The Undershirt,moisture Wicking, cataloged under National Stock Number 8420-01-642-5014, 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 Crye Precision Llc Dba Atlas Standard. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8420-01-642-5014 |
| Primary Part Number | APR-CSR-21-MDL |
| Item Name | Undershirt,moisture Wicking |
| FSC / FSG | 8420 / 84 — Underwear and Nightwear, Men's |
| Manufacturer | Crye Precision Llc Dba Atlas Standard |
| Status | ACTIVE |
| Garment Size | MEDIUM LONG MAINBODY |
| Garment Sleeve Length | FULL LENGTH |
| Color | TAN AND BROWN AND KHAKI OVERALL |
| Environmental Protection | FIRE RESISTANT |
| Fabric Design | PRINTED CAMOUFLAGE-WOVEN RIPSTOP |
| 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 |
|---|---|
| DF2-CR-550CS-DM-MDL | Drifire, Llc (USA) |
| DF2-CR-550CS-DSMPT-ML | Drifire, Llc (USA) |
| APR-CSR-21-MDL PRIMARY | Crye Precision Llc Dba Atlas Standard (USA) |
| DF2-CR-550CS-DM-ML PRIMARY | Drifire, Llc (USA) |
NSN 8420-01-642-5014 is a Undershirt,moisture Wicking, manufactured by Crye Precision Llc Dba Atlas Standard, classified under FSC 8420, Underwear and Nightwear, Men's. Status: active.
NSN 8420-01-642-5014 has 4 manufacturer part numbers on file: DF2-CR-550CS-DM-MDL (Drifire, Llc), DF2-CR-550CS-DSMPT-ML (Drifire, Llc), APR-CSR-21-MDL (Crye Precision Llc Dba Atlas Standard), DF2-CR-550CS-DM-ML (Drifire, Llc).
Key specifications for APR-CSR-21-MDL: Garment Size: MEDIUM LONG MAINBODY; Garment Sleeve Length: FULL LENGTH; Color: TAN AND BROWN AND KHAKI OVERALL; Special Features: FIRE RETARDANT COMBAT SHIRT, DESERT MARPAT, SIZE ML, PCU LEVEL 9, DESIGNED FOR TEMPERATE WEATHER OPERATIONS. MODIFIED ACRYLIC LIGHT WEIGHT JERSEY MATERIAL IS USED ON THE BODY OF THE SHIRT TO PROVIDE MOISTURE CONTROL. SLEEVES AND COLLAR YOKE ARE MADE OF 50/50 NYCO RIPSTOP.. 5 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 8420-01-642-5014 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.