The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-452-3096, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Agm Container Controls Inc Dba Agm Container Controls Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-452-3096 |
| Primary Part Number | TA333-1660-1 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Agm Container Controls Inc Dba Agm Container Controls Inc |
| Status | ACTIVE |
| Flow Control Device | ANY ACCEPTABLE |
| First End Thread Series Designator | NPT |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION STRAIGHT THRU |
| First End Thread Class | 2A A |
| First End Style Designator | PLAIN |
| Material Document and Classification | QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 1 |
| Specification/standard Data | 81349-MIL-V-27166 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 3 TYPE |
| Valve Venting Design Type | ATMOSPHERIC |
| Opening Pressure Setting | ERR-060 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Surface Treatment | ANODIZE OUTSIDE |
| First End Nominal Pipe Size Accommodated | 1.050 INCHES IN |
| Material | ALUMINUM ALLOY 2011 BODY |
| Media for Which Designed | AIR |
| Furnished Items | GASKET AND FILTER SCREEN AND NUT |
| Valve Relief Design Type | PRESSURE AND VACUUM |
| First End Nominal Thread Size | 0.750 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TA333-1660-1 PRIMARY | Agm Container Controls Inc Dba Agm Container Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| MIL-V-27166 | 5/1 Secondary reference U.S. Government activity |
| TA333-1660 | 5/9 Secondary reference Agm Container Controls Inc Dba Agm Container Controls Inc |
| TA333-1660-01 | 5/9 Secondary reference Agm Container Controls Inc Dba Agm Container Controls Inc |
| 13305322-001 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 4820-01-452-3096 is a Valve,pressure Equalizing,gaseou, manufactured by Agm Container Controls Inc Dba Agm Container Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-3096 has 1 manufacturer part number on file: TA333-1660-1 (Agm Container Controls Inc Dba Agm Container Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-491-0556. Verify interchangeability with system specifications before substitution.
Key specifications for TA333-1660-1: Flow Control Device: ANY ACCEPTABLE; First End Thread Series Designator: NPT; First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION STRAIGHT THRU. 20 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 4820-01-452-3096 has DEMIL Code B. 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.