The Seat,valve, cataloged under National Stock Number 4810-01-168-1284, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-168-1284 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Flange Diameter | 7.500 INCHES MINIMUM AND 7.560 INCHES MAXIMUM IN |
| Body Outside Diameter | 7.748 INCHES MINIMUM AND 7.750 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 7.000 INCHES MINIMUM AND 7.010 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Seating Surface Shape | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 29880,PC 3 | 5/1 Secondary reference Crane Co Div Valve Div |
| 30040 | 5/1 Secondary reference Crane Co Div Valve Div |
| 30040PC3 | 3/1 Design control — primary reference Crane Co Div Valve Div |
NSN 4810-01-168-1284 is a Seat,valve, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-168-1284: Flange Diameter: 7.500 INCHES MINIMUM AND 7.560 INCHES MAXIMUM IN; Body Outside Diameter: 7.748 INCHES MINIMUM AND 7.750 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Style Designator: PLAIN FLANGED. 8 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.
NSN 4810-01-168-1284 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.