The Valve,check, cataloged under National Stock Number 4820-00-732-1089, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-732-1089 |
| Primary Part Number | 512079 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 512079 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 512079 | 5/9 Secondary reference Suntec Industries Inc Del Dba Suntec |
| 512079 | 5/9 Secondary reference U.S. Government activity |
| 4253-137W | 5/9 Secondary reference U.S. Government activity |
| 981152 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-732-1089 is a Valve,check, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-732-1089 has 1 manufacturer part number on file: 512079 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-459-3774, 5310-01-660-9225. Verify interchangeability with system specifications before substitution.
Key specifications for 512079: End Item Identification: BRIDGE,ARMORED VEHICLE. 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 4820-00-732-1089 has DEMIL Code Q. 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.