The Union,pipe, cataloged under National Stock Number 4730-01-595-0881, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-595-0881 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | SOCKET (HOSE) ALL ENDS |
| Coupling Flange Shape | OVAL |
| Nominal Overall Length | 3.7 MILLIMETERS MM |
| Connection Type | GROOVED COUPLING ALL ENDS |
| Style Designator | GROOVED BOTH ENDS |
| Maximum Operating Temp | 80.0 CELSIUS SINGLE RESPONSE DEGC |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Nominal Coupling Size Accommodated | 6.0 MILLIMETERS ALL ENDS MM |
| Material | PLASTIC BODY |
| Material | RUBBER SYNTHETIC GASKET |
| Material | STEEL CLAMP |
| Material | PLASTIC LOCK RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| QSM-6 | 5/9 Secondary reference Festo Corporation |
| 153325 | 3/9 Design control — primary reference Festo Corporation |
NSN 4730-01-595-0881 is a Union,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 8145-01-657-4962. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-595-0881: Connection Style: SOCKET (HOSE) ALL ENDS; Coupling Flange Shape: OVAL; Nominal Overall Length: 3.7 MILLIMETERS MM; Connection Type: GROOVED COUPLING ALL ENDS. 12 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.