The Valve,vent, cataloged under National Stock Number 4820-01-613-6865, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-613-6865 |
| Primary Part Number | SS-BVM4 |
| Item Name | Valve,vent |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Style Designator | ANGLE |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Material | STEEL STAINLESS - USE STB000 BODY |
| Thread Series Designator | NPT SECOND END |
| 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 |
|---|---|
| SS-BVM4 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 4M-PG4A-SS | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 4M-PG4A-SS | 5/9 Secondary reference Parker-Hannifin Corporation Div Instrumentation Products Division |
NSN 4820-01-613-6865 is a Valve,vent, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-613-6865 has 1 manufacturer part number on file: SS-BVM4 (Swagelok Co).
Key specifications for SS-BVM4: Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Type: UNTHREADED EXTERNAL PIPE SECOND END; Style Designator: ANGLE; Nominal Thread Size: 0.250 INCHES SECOND END IN. 6 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.