The Valve,safety Relief, cataloged under National Stock Number 4820-01-247-7106, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-247-7106 |
| Primary Part Number | 8921086 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Flow Control Device | DISK OR POPPET |
| Style Designator | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS. |
| Mounting Facility | BRACKET(S) |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 8921086 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 8921086 | General Dynamics Land Systems Canadacorp (CAN) |
| SML000634 | Nqea Marine Safety Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 8921086 | 5/1 Secondary reference Terex Equipment Ltd Div Construction Equipment |
NSN 4820-01-247-7106 is a Valve,safety Relief, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-247-7106 has 3 manufacturer part numbers on file: 8921086 (Rolls-Royce Solutions America Inc), 8921086 (General Dynamics Land Systems Canadacorp), SML000634 (Nqea Marine Safety Pty Ltd).
Key specifications for 8921086: Flow Control Device: DISK OR POPPET; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.; Mounting Facility: BRACKET(S); Special Features: APPL OIL PRESSURE REGULATOR OF DIESEL ENGINE,DETROIT DIESEL,60 SERIES. 5 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.