The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-134-8817, 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 Danfoss Power Solutions II, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-134-8817 |
| Primary Part Number | 681X8X8 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Nominal Overall Length | 1.540 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.688 INCHES FIRST END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | COPPER ALLOY 360 OR COPPER ALLOY 345 OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPTF 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 |
|---|---|
| 681X8X8 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 68CA-8-8 | 3/2 Design control — primary reference U.S. Government activity |
| 681X8X8 | 5/9 Secondary reference Dana Corp Weatherhead Div |
NSN 4730-01-134-8817 is a Adapter,straight,pipe to Tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-134-8817 has 1 manufacturer part number on file: 681X8X8 (Danfoss Power Solutions II, Llc).
Key specifications for 681X8X8: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Seat Nominal Radius: 0.062 INCHES FIRST 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.