The Valve,safety Relief, cataloged under National Stock Number 4820-01-329-3463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-329-3463 |
| Primary Part Number | 23036119-1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 3.500 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.000 INCHES IN |
| Adjustable Pressure Range | +60.0 TO 175.0 POUNDS PER SQUARE INCH LBS |
| Second Connection Face to Centerline Distance | 3.500 INCHES IN |
| Nominal Outside Diameter | 4.875 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| First Connection Face to Centerline Distance | 3.500 INCHES IN |
| Material | STEEL BODY |
| Raised Face Nominal Diameter | 0.060 INCHES ALL ENDS IN |
| Valve Operation Method | AUTOMATIC |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Nominal Thickness | 0.688 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 23036119-1 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| VSF-5R-SS-XS | 3/9 Design control — primary reference Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. |
| 23036119 | 7/1 Vendor item drawing reference Rolls-Royce Corporation |
| VSF-5-XS | 5/9 Secondary reference Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. |
| VSP-5R-SS | 5/9 Secondary reference Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. |
NSN 4820-01-329-3463 is a Valve,safety Relief, manufactured by Rolls-Royce Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-329-3463 has 1 manufacturer part number on file: 23036119-1 (Rolls-Royce Corporation).
Key specifications for 23036119-1: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 3.500 INCHES ALL ENDS IN. 19 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.