The Valve,plug, cataloged under National Stock Number 4820-01-025-0978, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-025-0978 |
| Primary Part Number | SS44XS6 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Flow Style | TWO-WAY ONE PORT BOTTOM OUTLET 360 DEGREE PLUG TURN |
| Features Provided | ADJUSTABLE ROTATION STOP |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Mounting Facility | BULKHEAD |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| 3-GA-1198/7/D ITEM 9 | Lowe Engineering Ltd (GBR) |
| SS44XS6 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS44XS6 | 5/9 Secondary reference Whitey Co |
NSN 4820-01-025-0978 is a Valve,plug, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-025-0978 has 2 manufacturer part numbers on file: 3-GA-1198/7/D ITEM 9 (Lowe Engineering Ltd), SS44XS6 (Swagelok Co).
Key specifications for SS44XS6: Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Flow Style: TWO-WAY ONE PORT BOTTOM OUTLET 360 DEGREE PLUG TURN; Features Provided: ADJUSTABLE ROTATION STOP; Thread Direction: RIGHT-HAND ALL ENDS. 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.