The Valve,plug, cataloged under National Stock Number 4820-01-050-6401, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trico Products Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-050-6401 |
| Primary Part Number | F1650INS |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trico Products Corporation |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Style | THREE-WAY THREE PORT 180 DEGREE PLUG TURN |
| Features Provided | NONADJUSTABLE ROTATION |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Mounting Facility | BULKHEAD |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Material | ZINC BODY |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 40AW112 | Oshkosh Defense Llc (USA) |
| F1650INS PRIMARY | Trico Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40AW112 | 5/9 Secondary reference Oshkosh Corp |
| 40AW112 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4820-01-050-6401 is a Valve,plug, manufactured by Trico Products Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-050-6401 has 2 manufacturer part numbers on file: 40AW112 (Oshkosh Defense Llc), F1650INS (Trico Products Corporation).
Key specifications for F1650INS: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flow Style: THREE-WAY THREE PORT 180 DEGREE PLUG TURN; Features Provided: NONADJUSTABLE ROTATION. 11 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.