The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-146-0060, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-146-0060 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | MIL-C-15726,70/30 HARD MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 5100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Class | 2A FIRST END A |
| Material | COPPER ALLOY BODY |
| Material | STEEL COMP 316 NUT |
| Material | STEEL COMP 630 SLEEVE |
| 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 |
| Reference | Meaning |
|---|---|
| 2621-910-01 | D/9 Drawing number reference only U.S. Government activity |
| 300-4644351 ITEM F31 | 5/2 Secondary reference U.S. Government activity |
| 2621-910-01ASSY41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-146-0060 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-153-1419, 4730-01-163-1551, 4730-01-262-0985. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-146-0060: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END. 18 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.