The Valve,vent, cataloged under National Stock Number 4820-01-210-3488, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Item Name | Valve,vent |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Am General Llc (CAGE 34623) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-210-3488 |
| Primary Part Number | 12339894 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12339894 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5590778 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 5568524 | 5/9 Secondary reference Am General Llc |
| 4820012103488 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4820PL0371011 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 346-786 | 5/9 Secondary reference U.S. Government activity |
| 618 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-210-3488 is a Valve,vent, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: cancelled.
NSN 4820-01-210-3488 has 2 manufacturer part numbers on file: 12339894 (U S Army Tank Automotive Command Amsta-Im-Mm), 5590778 (Am General Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-571-1529. Verify interchangeability with system specifications before substitution.
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 4820-01-210-3488 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.