The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-533-2900, 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 The Hiller Companies Llc. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-533-2900 |
| Primary Part Number | 283904 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Hiller Companies Llc |
| Status | ACTIVE |
| Connection Style | FLARED (GAS FITTING) FIRST END |
| Connection Style | FLARED (GAS FITTING) SECOND END |
| Nominal Overall Length | 2.690 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.874 INCHES SECOND END IN |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| 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 |
|---|---|
| 283904 PRIMARY | The Hiller Companies Llc (USA) |
NSN 4730-01-533-2900 is a Adapter,straight,pipe to Tube, manufactured by The Hiller Companies Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-533-2900 has 1 manufacturer part number on file: 283904 (The Hiller Companies Llc).
Key specifications for 283904: Connection Style: FLARED (GAS FITTING) FIRST END; Connection Style: FLARED (GAS FITTING) SECOND END; Nominal Overall Length: 2.690 INCHES IN; Connection Type: THREADED INTERNAL PIPE FIRST END. 11 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.