The Swing Joint,tube, cataloged under National Stock Number 4730-00-010-7572, 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 Huck International, Inc. Div Huck Products Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-010-7572 |
| Primary Part Number | PSA57-56C3G |
| Item Name | Swing Joint,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Style Designator | SINGLE JOINT, STRAIGHT DESIGN |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES ALL ENDS IN |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES FIRST END BULKHEAD IN |
| Leg Length | 0.495 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.950 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.375 INCHES FIRST END BULKHEAD IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Bearing Type | ANNULAR BALL, REMOVABLE |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A FIRST END BULKHEAD A |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| PSA57-56C3G PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| PSA57-56C3G | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-010-7572 is a Swing Joint,tube, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-010-7572 has 1 manufacturer part number on file: PSA57-56C3G (Huck International, Inc. Div Huck Products Division).
Key specifications for PSA57-56C3G: Connection Style: FLARED (TUBE) ALL ENDS; Style Designator: SINGLE JOINT, STRAIGHT DESIGN; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES ALL ENDS IN; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES FIRST END BULKHEAD IN. 16 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.