The Valve,ball, cataloged under National Stock Number 4820-01-329-4967, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-329-4967 |
| Primary Part Number | 23038597 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Furnished Items and Quantity | 1 LOCKING DEVICE AND 1 HANDLE |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 3.875 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.500 INCHES ALL ENDS IN |
| Valve Size | 1.500 INCHES IN |
| Nominal Outside Diameter | 5.000 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Face to Face Distance | 6.500 INCHES IN |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 316 STEM |
| Material | RUBBER SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Raised Face Nominal Diameter | 3.500 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| 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 |
NSN 4820-01-329-4967 is a Valve,ball, manufactured by Rolls-Royce Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-329-4967 has 2 manufacturer part numbers on file: 23051377 (Rolls-Royce Corporation), 23038597 (Rolls-Royce Corporation).
Key specifications for 23038597: Flange Shape: ROUND WITH HOLES ALL ENDS; Furnished Items and Quantity: 1 LOCKING DEVICE AND 1 HANDLE; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 3.875 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.