The Valve,gate, cataloged under National Stock Number 4820-01-200-8438, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-200-8438 |
| Primary Part Number | 12301778 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Connection Type | THREADED EXTERNAL PIPE |
| Valve Size | 0.250 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series Designator | NPTF |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 12301778 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| P410B | 3/2 Design control — primary reference U.S. Government activity |
| 401V | 3/9 Design control — primary reference Plews, Inc. Dba Plews Edelmann Div Plews & Edelmann |
NSN 4820-01-200-8438 is a Valve,gate, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-200-8438 has 1 manufacturer part number on file: 12301778 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12301778: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Connection Type: THREADED EXTERNAL PIPE; Valve Size: 0.250 INCHES IN. 8 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.