The Seat,valve, cataloged under National Stock Number 4820-00-876-7865, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-876-7865 |
| Primary Part Number | 1007777-3 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.055 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Flange Diameter | 0.7000 INCHES MINIMUM AND 0.7005 INCHES MAXIMUM IN |
| FSC Application Data | VALVE,SAFETY RELIEF,NONPOWERED |
| Body Outside Diameter | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Material | STEEL COMP 303S OVERALL |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 1007777-3 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 1007777-3 | 3/9 Design control — primary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 4820-00-876-7865 is a Seat,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-876-7865 has 1 manufacturer part number on file: 1007777-3 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 1007777-3: Flange Seat to Disk End Height: 0.055 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Flange Diameter: 0.7000 INCHES MINIMUM AND 0.7005 INCHES MAXIMUM IN; Overall Height: 2.719 INCHES NOMINAL IN; FSC Application Data: VALVE,SAFETY RELIEF,NONPOWERED. 7 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.