The Seat,valve, cataloged under National Stock Number 4820-00-086-6795, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Electric Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-086-6795 |
| Primary Part Number | 751C877-5 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Hardness Rating | 40.0 ROCKWELL C NOMINAL FACE |
| Taper Length | 1.500 INCHES NOMINAL IN |
| Seat Radius | 1.198 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| 751C877-5 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 751C877-5 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 751C877-5 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-00-086-6795 is a Seat,valve, manufactured by General Electric Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-086-6795 has 1 manufacturer part number on file: 751C877-5 (General Electric Company).
Key specifications for 751C877-5: Hardness Rating: 40.0 ROCKWELL C NOMINAL FACE; Taper Length: 1.500 INCHES NOMINAL IN; Seat Radius: 1.198 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN; Seating Surface Shape: RADIAL. 4 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.