The Tube Assembly,metal, cataloged under National Stock Number 4710-01-022-3971, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-022-3971 |
| Primary Part Number | 671101C1 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Seat Angle in Deg | 30.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.562 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT, INVERTED FLARE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B SINGLE END |
| Material | STEEL TUBING |
| Material | STEEL SINGLE END |
| Thread Series Designator | UNF SINGLE 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 |
|---|---|
| 671101C1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 671101C1 | 5/9 Secondary reference U.S. Government activity |
| 671101C1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 671101C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 4710-01-022-3971 is a Tube Assembly,metal, manufactured by Komatsu America Corp., classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-022-3971 has 1 manufacturer part number on file: 671101C1 (Komatsu America Corp.).
Key specifications for 671101C1: Seat Angle in Deg: 30.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Thread Direction: RIGHT-HAND SINGLE END. 11 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.