The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-702-7739, 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 Brennan Industries. Government technical data includes 13 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 | 4730-01-702-7739 |
| Primary Part Number | 6400-12-12-O-SS |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Brennan Industries |
| Status | ACTIVE |
| Flange Shape | HEXAGON WITH HOLES CENTER BULKHEAD |
| Nominal Width Across Flats | 1.2500 INCHES FIRST END BULKHEAD IN |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 1.9700 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.7500 INCHES ALL ENDS IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.0625 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 6400-12-12-O-SS PRIMARY | Brennan Industries (USA) |
NSN 4730-01-702-7739 is a Adapter,straight,tube to Boss, manufactured by Brennan Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-702-7739 has 1 manufacturer part number on file: 6400-12-12-O-SS (Brennan Industries).
Key specifications for 6400-12-12-O-SS: Flange Shape: HEXAGON WITH HOLES CENTER BULKHEAD; Nominal Width Across Flats: 1.2500 INCHES FIRST END BULKHEAD IN; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END. 13 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.