The Coupling,pipe, cataloged under National Stock Number 4730-01-437-7473, 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 Oshkosh Defense Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-437-7473 |
| Primary Part Number | 2225930 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Material | RUBBER GASKET |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | NPT 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 |
|---|---|
| 2225930 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| HC-36-S | D/9 Drawing number reference only U.S. Government activity |
| 36S-5090 | 3/2 Design control — primary reference U.S. Government activity |
| HC-36-S-1 | 5/9 Secondary reference U.S. Government activity |
| 2225930 | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-437-7473 is a Coupling,pipe, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-437-7473 has 1 manufacturer part number on file: 2225930 (Oshkosh Defense Llc).
Key specifications for 2225930: Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END; Style Designator: THREADED EXTERNAL RIGID, THREADED INTERNAL SWIVEL. 8 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.