The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-489-8251, 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 19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-489-8251 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT |
| Surface Treatment Document and Classification | MIL-F-27272 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST ENDSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.664 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.500 INCHES SECOND END0.355 INCHES FIRST END IN |
| Nominal Overall Length | 2.141 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE FIRST ENDTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND ENDTHREADED EXTERNAL HOSE GRIPPING SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.875 INCHES FIRST END0.875 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | 232.0 CELSIUS FIRST RESPONSE232.0 CELSIUS FIRST RESPONSE DEGC |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B FIRST END3B FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| MS27381-10C | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-27272 | 4/1 Identification reference U.S. Government activity |
| MIL-F-27272 | 5/9 Secondary reference U.S. Government activity |
| 148-05216-10 | 5/1 Secondary reference Precision Form Rivet Inc |
NSN 4730-00-489-8251 is a Adapter,straight,tube to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-489-8251: Furnished Items and Quantity: 1 HOSE COUPLING SLEEVE AND 1 HOSE COUPLING NUT; Surface Treatment Document and Classification: MIL-F-27272 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: GRIPPING NIPPLE (NOSE) SECOND ENDGRIPPING NIPPLE (NOSE) SECOND END; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST ENDSWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END. 19 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.