The Valve,pneumatic Tank, cataloged under National Stock Number 4820-01-008-6340, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-008-6340 |
| Primary Part Number | 22792 |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Alter Harry Co the Div of T E C |
| Status | ACTIVE |
| Flow Control Device | CORE |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| End Connection Quantity | 1 |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.313 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Commercial Core Length Designator | SHORT |
| Commercial Spring Tension Rating | NOT RATED |
| 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 |
|---|---|
| 22792 PRIMARY | Alter Harry Co the Div of T E C (USA) |
| Reference | Meaning |
|---|---|
| 22792 | 5/9 Secondary reference Du Pont E I De Nemours and Co Inc Petrochemicals Dept Savannah River Plant |
NSN 4820-01-008-6340 is a Valve,pneumatic Tank, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-008-6340 has 1 manufacturer part number on file: 22792 (Alter Harry Co the Div of T E C).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-288-1632. Verify interchangeability with system specifications before substitution.
Key specifications for 22792: Flow Control Device: CORE; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN; End Connection Quantity: 1. 9 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.