The Seat,valve, cataloged under National Stock Number 4820-01-377-3042, 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-377-3042 |
| Primary Part Number | 12419009 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment | ZINC BODY |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12419009 | Amz Alabama Inc. (USA) |
| 12419009 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12419009 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 12419009 | 5/9 Secondary reference Steyr-Daimler Puch Ag |
| 199100470077 | 3/9 Design control — primary reference Steyr-Daimler Puch Ag |
NSN 4820-01-377-3042 is a Seat,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-377-3042 has 3 manufacturer part numbers on file: 12419009 (Amz Alabama Inc.), 12419009 (U S Army Tank Automotive Command Amsta-Im-Mm), 12419009 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 12419009: Surface Treatment: ZINC BODY; Part Name Assigned by Controlling Agency: SEAT,PLUG COCK; End Item Identification: 2320-01-353-9098; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Material: STEEL OVERALL. 2 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.