The Nipple,tube, cataloged under National Stock Number 4730-01-487-4281, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-487-4281 |
| Primary Part Number | S-400-61 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 2 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Overall Length | 1.690 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARELESS W/ OFFSET WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 20.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Thread Series Designator | UNF FIRST END BULKHEAD |
| 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 |
|---|---|
| S-400-61 PRIMARY | Swagelok Co (USA) |
NSN 4730-01-487-4281 is a Nipple,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-487-4281 has 1 manufacturer part number on file: S-400-61 (Swagelok Co).
Key specifications for S-400-61: Furnished Items and Quantity: 1 LOCKNUT AND 2 TUBE COUPLING NUT W/SLEEVE; Connection Style: FLARELESS (TUBE) ALL ENDS; Nominal Overall Length: 1.690 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 15 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.