The Seat,valve, cataloged under National Stock Number 4820-00-167-4828, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-167-4828 |
| Primary Part Number | 402713 |
| 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 | 0.188 INCHES NOMINAL IN |
| Flange Diameter | 0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-A-696 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Body Outside Diameter | 0.571 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | QQ-A-954,COND1 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.272 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Under Flange Height | 0.311 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 402713 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 402713 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 4820-00-167-4828 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 4820-00-167-4828 has 1 manufacturer part number on file: 402713 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 5815-01-201-8213. Verify interchangeability with system specifications before substitution.
Key specifications for 402713: Flange Seat to Disk End Height: 0.188 INCHES NOMINAL IN; Flange Diameter: 0.745 INCHES MINIMUM AND 0.747 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-A-696 FED SPEC ALL TREATMENT RESPONSES OVERALL; Body Outside Diameter: 0.571 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN. 11 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.