The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-620-6908, 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 Mcmaster-Carr Supply Co. 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 | 4730-01-620-6908 |
| Primary Part Number | 50695K161 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Nominal Width Across Flats | 0.500 INCHES CENTER BULKHEAD IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | CENTER WRENCHING FACILITY |
| Operating Pressure | 70.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Reduced Passage Nominal Inside Diameter | 0.170 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | ZINC OVERALL |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 27 SECOND END |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| 50695K161 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 4730-01-620-6908 is a Adapter,straight,pipe to Tube, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-620-6908 has 1 manufacturer part number on file: 50695K161 (Mcmaster-Carr Supply Co).
Key specifications for 50695K161: Nominal Width Across Flats: 0.500 INCHES CENTER BULKHEAD IN; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 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.