The Seat,valve, cataloged under National Stock Number 4810-01-172-3383, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-172-3383 |
| Primary Part Number | 104731728 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.200 INCHES NOMINAL IN |
| Flange Diameter | 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| FSC Application Data | VALVE,LINEAR DIRECTIONAL CONTROL |
| Body Outside Diameter | 0.333 INCHES NOMINAL IN |
| Body Stepped Inside Diameter | 0.080 INCHES NOMINAL FIRST STEP IN |
| Body Stepped Inside Diameter | 0.182 INCHES NOMINAL SECOND STEP IN |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | AMS 6419 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-8844 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Under Flange Height | 0.225 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Seat Angle in Deg | 120.000 NOMINAL |
| Seating Surface Shape | ANGULAR |
| 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 |
|---|---|
| 104731728 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
NSN 4810-01-172-3383 is a Seat,valve, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-172-3383 has 1 manufacturer part number on file: 104731728 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 104731728: Flange Seat to Disk End Height: 0.200 INCHES NOMINAL IN; Flange Diameter: 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; FSC Application Data: VALVE,LINEAR DIRECTIONAL CONTROL; Body Outside Diameter: 0.333 INCHES NOMINAL IN. 12 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.