The Spring,stem Valve, cataloged under National Stock Number 4820-01-496-2525, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 1 specification, 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 | 4820-01-496-2525 |
| Primary Part Number | SS-13B-67 |
| Item Name | Spring,stem Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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-13B-67 PRIMARY | Swagelok Co (USA) |
NSN 4820-01-496-2525 is a Spring,stem Valve, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-496-2525 has 1 manufacturer part number on file: SS-13B-67 (Swagelok Co).
Key specifications for SS-13B-67: Overall Length: 6.790 INCHES NOMINAL IN; Special Features: CONNECTIONS:1.5 IN. FEMALE NPT,SPRING FOR NUCLEAR APPLICATION IS NSN 4820-01-377-6366 IN; Part Name Assigned by Controlling Agency: GROUNDING SPRING; End Item Identification: E/I:VALVE,BALL 1.5 IN. W/S:OLIVER PERRY CLASS SSN IN. 1 specification is 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.