The Seat,valve, cataloged under National Stock Number 4820-00-112-7269, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-112-7269 |
| Primary Part Number | ND163 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Thread Length | 1.188 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | PLAIN THREADED |
| Material Document and Classification | ASTM B62,ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Body Inside Diameter | 1.997 INCHES MINIMUM AND 2.002 INCHES MAXIMUM IN |
| Nominal Thread Size | 2.537 INCHES SINGLE THREADED PORTION IN |
| Thread Quantity Per Inch | 11-1/2 SINGLE THREADED PORTION |
| Material | COPPER ALLOY OVERALL |
| Seat Angle in Deg | 43.000 NOMINAL |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| ND163 PRIMARY | Crane Co Div Valve Div (USA) |
NSN 4820-00-112-7269 is a Seat,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-112-7269 has 1 manufacturer part number on file: ND163 (Crane Co Div Valve Div).
Key specifications for ND163: Overall Height: 1.375 INCHES NOMINAL IN; Thread Length: 1.188 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: PLAIN THREADED; Material Document and Classification: ASTM B62,ALLOY 836 ASSN STD SINGLE MATERIAL RESPONSE SEAT. 10 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.