The Seat,valve, cataloged under National Stock Number 4810-01-199-5437, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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 | 4810-01-199-5437 |
| Primary Part Number | 12321874 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.400 INCHES NOMINAL IN |
| Flange Diameter | 1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.150 INCHES NOMINAL IN |
| Hardness Rating | 50.0 ROCKWELL C NOMINAL OVERALL |
| Style Designator | FAUCET |
| Body Inside Diameter | 0.959 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Under Flange Height | 1.120 INCHES NOMINAL IN |
| Material | STEEL COMP 1211 OR STEEL COMP 1213 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 |
|---|---|
| 12321874 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4810-01-199-5437 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-199-5437 has 1 manufacturer part number on file: 12321874 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12321874: Flange Seat to Disk End Height: 0.400 INCHES NOMINAL IN; Flange Diameter: 1.748 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN; Body Outside Diameter: 1.150 INCHES NOMINAL IN; Hardness Rating: 50.0 ROCKWELL C NOMINAL OVERALL. 9 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.