The Valve,check, cataloged under National Stock Number 4820-00-134-1122, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-134-1122 |
| Primary Part Number | 10900080 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Style Designator | ANGLE |
| Disk Loading Method | SPRING |
| Material | STEEL SEAT |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 10900080 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 3005291 | Garwood/feller Inc Garwood Winch Div (USA) |
| Reference | Meaning |
|---|---|
| 2520001341122 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 2520001341122 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-00-134-1122 is a Valve,check, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-134-1122 has 2 manufacturer part numbers on file: 10900080 (U S Army Tank Automotive Command Amsta-Im-Mm), 3005291 (Garwood/feller Inc Garwood Winch Div).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-303-9745. Verify interchangeability with system specifications before substitution.
Key specifications for 10900080: Flow Control Device: POPPET; Style Designator: ANGLE; Disk Loading Method: SPRING; Material: STEEL SEAT. 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.
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.