The Nipple,tube, cataloged under National Stock Number 4730-01-303-1237, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-303-1237 |
| Primary Part Number | SS-4-VCO-61 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (TUBE) ALL ENDS |
| Nominal Overall Length | 1.840 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | PLAIN W/ BULKHEAD THREAD |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| 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 |
|---|---|
| 805949-1 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| SS-4-VCO-61 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-4-VCO-61 | 5/9 Secondary reference Cajon Co |
NSN 4730-01-303-1237 is a Nipple,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-303-1237 has 2 manufacturer part numbers on file: 805949-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), SS-4-VCO-61 (Swagelok Co).
Key specifications for SS-4-VCO-61: Connection Style: GASKET SEAL (TUBE) ALL ENDS; Nominal Overall Length: 1.840 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: PLAIN W/ BULKHEAD THREAD. 9 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.