The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-226-8424, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-226-8424 |
| Primary Part Number | A15HS061-1 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Temp Rating | -50.0 CELSIUS DEGC |
| Body Style | STRAIGHT THRU |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL TUBE |
| Temp Adjustability | ADJUSTABLE |
| Material | ALUMINUM ALLOY AND STEEL CORROSION RESISTING BODY |
| Media for Which Designed | HYDRAULIC FLUID, SILICATE-ESTER BASE |
| Second End Connection Type | UNTHREADED EXTERNAL TUBE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A15HS061-1 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| AA-B129-1D30A | 5/9 Secondary reference Pall Aeropower Corporation |
| Q1254-03 | 3/2 Design control — primary reference U.S. Government activity |
| A51HS061-1 | 5/9 Secondary reference The Boeing Company |
NSN 4820-01-226-8424 is a Valve,relief,pressure and Temper, manufactured by The Boeing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-226-8424 has 1 manufacturer part number on file: A15HS061-1 (The Boeing Company).
Key specifications for A15HS061-1: Temp Rating: -50.0 CELSIUS DEGC; Body Style: STRAIGHT THRU; End Connection Quantity: 2; First End Connection Type: THREADED INTERNAL TUBE. 8 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 4820-01-226-8424 has DEMIL Code Q. 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.