The Valve,angle, cataloged under National Stock Number 4820-01-189-8548, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Buell Mfg Co. Government technical data includes 14 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 | 4820-01-189-8548 |
| Primary Part Number | 2040 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Buell Mfg Co |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Connection Style | PLAIN,OPTIONAL END(PIPE) FIRST END |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Bonnet Type | INSIDE SPRING |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Bonnet Attachment Method | THREADED |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPTF FIRST END |
| 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 |
|---|---|
| 2040 PRIMARY | Buell Mfg Co (USA) |
NSN 4820-01-189-8548 is a Valve,angle, manufactured by Buell Mfg Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-189-8548 has 1 manufacturer part number on file: 2040 (Buell Mfg Co).
Key specifications for 2040: Flow Control Device: STEM; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Connection Style: SOCKET (TUBE) SECOND END; Connection Type: THREADED INTERNAL PIPE FIRST END. 14 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.