The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-696-3504, 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 17 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 | 4730-01-696-3504 |
| Primary Part Number | 6505-04-06-SS |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Brennan Industries |
| Status | ACTIVE |
| Flange Shape | HEXAGON SECOND END |
| Flange Shape | HEXAGON CENTER BULKHEAD |
| Nominal Width Across Flats | 0.688 INCHES FIRST END IN |
| Nominal Width Across Flats | 0.562 INCHES SECOND END IN |
| Connection Style | FLARED (TUBE) SECOND END |
| Nominal Length | 1.300 INCHES FIRST END IN |
| Nominal Length | 1.680 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.563 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Quantity Per Inch | 18 ALL ENDS |
| Material | STEEL STAINLESS - USE STB000 OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| 6505-04-06-SS PRIMARY | Brennan Industries (USA) |
NSN 4730-01-696-3504 is a Adapter,straight,pipe to Tube, manufactured by Brennan Industries, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-696-3504 has 1 manufacturer part number on file: 6505-04-06-SS (Brennan Industries).
Key specifications for 6505-04-06-SS: Flange Shape: HEXAGON SECOND END; Flange Shape: HEXAGON CENTER BULKHEAD; Nominal Width Across Flats: 0.688 INCHES FIRST END IN; Nominal Width Across Flats: 0.562 INCHES SECOND END IN. 17 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.