The Coupling,tube, cataloged under National Stock Number 4730-01-130-6653, 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 Cae Usa Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-130-6653 |
| Primary Part Number | 1004478-02 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT |
| Connection Style | INSERT (TUBE) ALL ENDS |
| Nominal Overall Length | 1.625 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE CENTER BULKHEAD |
| Style Designator | PLAIN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.562 INCHES CENTER BULKHEAD IN |
| Maximum Operating Temp | 750.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Thread Class | 2A CENTER BULKHEAD A |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNF CENTER 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 |
|---|---|
| 1004478-02 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3307841-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1004478-02 | 5/9 Secondary reference Raytheon Technical Services Company |
| 22BH-6-6 | 3/2 Design control — primary reference U.S. Government activity |
| 1004478 | D/9 Drawing number reference only Raytheon Technical Services Company |
NSN 4730-01-130-6653 is a Coupling,tube, manufactured by Cae Usa Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-130-6653 has 1 manufacturer part number on file: 1004478-02 (Cae Usa Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-381-3844, 5925-01-720-0445. Verify interchangeability with system specifications before substitution.
Key specifications for 1004478-02: Furnished Items and Quantity: 1 LOCKNUT; Connection Style: INSERT (TUBE) ALL ENDS; Nominal Overall Length: 1.625 INCHES IN; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS. 14 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.