The Valve,vent, cataloged under National Stock Number 4820-00-069-1972, 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 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-069-1972 |
| Primary Part Number | 8389760 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Style Designator | STRAIGHT THRU W/BAFFLE |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Series Designator | PTF-SAE SHORT FIRST END |
| 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 |
|---|---|
| 8389760 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| G303476 | 3/9 Design control — primary reference Stewart-Warner Corporation |
NSN 4820-00-069-1972 is a Valve,vent, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-069-1972 has 1 manufacturer part number on file: 8389760 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-555-8881. Verify interchangeability with system specifications before substitution.
Key specifications for 8389760: Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END; Style Designator: STRAIGHT THRU W/BAFFLE; Thread Direction: RIGHT-HAND FIRST END. 7 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.