The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-502-2931, 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 Cadillac Gage Textron Inc.. Government technical data includes 5 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 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 | 4730-01-502-2931 |
| Primary Part Number | 126021-4-2 |
| Item Name | Adapter,straight,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cadillac Gage Textron Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Thread Series Designator | NPT FIRST END |
| 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 |
|---|---|
| 126021-4-2 PRIMARY | Cadillac Gage Textron Inc. (USA) |
NSN 4730-01-502-2931 is a Adapter,straight,pipe to Hose, manufactured by Cadillac Gage Textron Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-502-2931 has 1 manufacturer part number on file: 126021-4-2 (Cadillac Gage Textron Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3030-01-677-4916. Verify interchangeability with system specifications before substitution.
Key specifications for 126021-4-2: Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN; Special Features: ADAPTER IS CONNECTED TO THE AIR GOVERNOR IN THE COMPRESSED AIR SYSTEM OF THE VEHICLE. 5 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.