The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-146-7708, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Air Armament Center/ En. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-146-7708 |
| Primary Part Number | TA333-15-15-R |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Flow Control Device | ANY ACCEPTABLE |
| First End Thread Direction | RIGHT-HAND |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| Valve Venting Design Type | ATMOSPHERIC |
| Opening Pressure Setting | ERR-060 |
| First End Connection Type | THREADED EXTERNAL GAS CYLINDER |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | ALUMINUM BODY |
| Absolute Pressure Setting | 1.5 |
| Valve Relief Design Type | PRESSURE AND VACUUM |
| 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 |
|---|---|
| TA333-15-15-R | Clariant Produkte (deutschland) Gmbh (DEU) |
| 13350078 | Mbda Deutschland Gmbh (DEU) |
| TA333-15-15-R PRIMARY | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| 13350078 | 5/9 Secondary reference Airbus Defence and Space Gmbh |
NSN 4820-01-146-7708 is a Valve,pressure Equalizing,gaseou, manufactured by Air Armament Center/ En, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-146-7708 has 3 manufacturer part numbers on file: TA333-15-15-R (Clariant Produkte (deutschland) Gmbh), 13350078 (Mbda Deutschland Gmbh), TA333-15-15-R (Air Armament Center/ En).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-267-5987. Verify interchangeability with system specifications before substitution.
Key specifications for TA333-15-15-R: Flow Control Device: ANY ACCEPTABLE; First End Thread Direction: RIGHT-HAND; Body Style: SINGLE CONNECTION, STRAIGHT FLOW; First End Style Designator: PLAIN. 12 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.