The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-070-3964, 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 Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 16 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. 3 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 | 4730-01-070-3964 |
| Primary Part Number | 21165 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Paccar Winch Inc Dba Paccar Winch Division |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| 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 |
| Nominal Outside Diameter Tube Accommodated | 0.187 INCHES FIRST END IN |
| Leg Length | 0.500 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.725 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | NPT 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 |
|---|---|
| 21165 PRIMARY | Paccar Winch Inc Dba Paccar Winch Division (USA) |
NSN 4730-01-070-3964 is a Elbow,pipe to Tube, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-070-3964 has 1 manufacturer part number on file: 21165 (Paccar Winch Inc Dba Paccar Winch Division).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-171-3395, 5962-01-432-2949, 5310-01-467-5073. Verify interchangeability with system specifications before substitution.
Key specifications for 21165: Flow Angle: 45.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 16 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.