The Coupling,boss, cataloged under National Stock Number 4730-01-441-3353, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Swagelok Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-441-3353 |
| Primary Part Number | SS-4-WVCR-6-DF |
| Item Name | Coupling,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Nominal Overall Length | 1.700 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Style Designator | THREADED INTERNAL |
| Operating Pressure | 9500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Maximum Operating Temp | 1000.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 2B ALL ENDS |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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-4-WVCR-6-DF PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-4-WVCR-6-DF | 5/9 Secondary reference Cajon Co |
NSN 4730-01-441-3353 is a Coupling,boss, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-441-3353 has 1 manufacturer part number on file: SS-4-WVCR-6-DF (Swagelok Co).
Key specifications for SS-4-WVCR-6-DF: Connection Style: GASKET SEAL (BOSS) ALL ENDS; Nominal Overall Length: 1.700 INCHES IN; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Style Designator: THREADED INTERNAL. 10 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.