The Seat,valve, cataloged under National Stock Number 4810-00-404-0159, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4810-00-404-0159 |
| Primary Part Number | 940029-2 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Body Outside Diameter | 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.171 INCHES MINIMUM AND 0.172 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 |
|---|---|
| 940029-2 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 940029-2 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 4810-00-404-0159 is a Seat,valve, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-404-0159 has 1 manufacturer part number on file: 940029-2 (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 940029-2: Overall Height: 0.060 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Body Outside Diameter: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 0.171 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN. 5 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.