The Seat,valve, cataloged under National Stock Number 4820-01-044-8399, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-044-8399 |
| Primary Part Number | 8017006 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Outside Diameter | 1.193 INCHES MINIMUM AND 1.205 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 0.687 INCHES NOMINAL IN |
| Material | RUBBER SEAT |
| Seating Surface Shape | O-RING |
| 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 |
|---|---|
| 8017006 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4820-01-044-8399 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-044-8399 has 1 manufacturer part number on file: 8017006 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8017006: Overall Height: 0.187 INCHES NOMINAL IN; Body Outside Diameter: 1.193 INCHES MINIMUM AND 1.205 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 0.687 INCHES NOMINAL 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.