The Seat,valve, cataloged under National Stock Number 4820-01-022-0545, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-022-0545 |
| Primary Part Number | 3162867-1 |
| 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 | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Flange Diameter | 0.657 INCHES NOMINAL IN |
| Body Outside Diameter | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Hardness Rating | 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM BODY |
| Hardness Rating | 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM FACE |
| Style Designator | PLAIN FLANGED |
| Body Inside Diameter | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Under Flange Height | 0.930 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 3162867-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3162867-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-022-0545 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 4820-01-022-0545 has 1 manufacturer part number on file: 3162867-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3162867-1: Flange Seat to Disk End Height: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Flange Diameter: 0.657 INCHES NOMINAL IN; Body Outside Diameter: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Hardness Rating: 31.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM BODY. 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.