The Valve,safety Relief, cataloged under National Stock Number 4820-01-366-9950, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-366-9950 |
| Primary Part Number | 6630-5000 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | STEEL BODY |
| 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 |
|---|---|
| E32917 ITEM 14 | Parker-Hannifin Corporation (USA) |
| 6630-5000 PRIMARY | Parker-Hannifin Corporation (USA) |
| Reference | Meaning |
|---|---|
| E32917 | D/9 Drawing number reference only Parker-Hannifin Corporation |
NSN 4820-01-366-9950 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-366-9950 has 2 manufacturer part numbers on file: E32917 ITEM 14 (Parker-Hannifin Corporation), 6630-5000 (Parker-Hannifin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-367-0172. Verify interchangeability with system specifications before substitution.
Key specifications for 6630-5000: Flow Control Device: DISK; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL BODY. 4 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.