The Valve,check, cataloged under National Stock Number 4820-01-477-3654, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Am General Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-477-3654 |
| Primary Part Number | 6000309 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 6000309 PRIMARY | Am General Llc (USA) |
| 12342953-3 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 12342953-3 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12342953 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4820-01-477-3654 is a Valve,check, manufactured by Am General Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-477-3654 has 2 manufacturer part numbers on file: 6000309 (Am General Llc), 12342953-3 (Am General Llc).
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.