The Valve,angle, cataloged under National Stock Number 4820-01-641-2953, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Specialty Mfg. Co Dba Specialty Mfg. Co. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-641-2953 |
| Primary Part Number | PVC 657-8B6M-B |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Specialty Mfg. Co Dba Specialty Mfg. Co |
| Status | ACTIVE |
| Flow Control Device | BALL |
| Nominal Pipe Size Accommodated | 0.375 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE W/OFFSET |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| VAL-0437 | Bauer Compressors, Inc. (USA) |
| PVC 657-8B6M-B PRIMARY | The Specialty Mfg. Co Dba Specialty Mfg. Co (USA) |
NSN 4820-01-641-2953 is a Valve,angle, manufactured by The Specialty Mfg. Co Dba Specialty Mfg. Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-641-2953 has 2 manufacturer part numbers on file: VAL-0437 (Bauer Compressors, Inc.), PVC 657-8B6M-B (The Specialty Mfg. Co Dba Specialty Mfg. Co).
Key specifications for PVC 657-8B6M-B: Flow Control Device: BALL; Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: ANGLE W/OFFSET. 7 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.