The Tube Assembly,metal, cataloged under National Stock Number 4710-01-164-0157, 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 Ingersoll-Rand Company Dba Rotary Compressor Division. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-164-0157 |
| Primary Part Number | W138321 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.040 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.500 INCHES SINGLE END IN |
| End Connection Style | PLAIN SINGLE END |
| Tube Outside Diameter | 0.625 INCHES NOMINAL IN |
| Thread Series Designator | NPT 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 |
|---|---|
| W138321 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| W138321 | 5/9 Secondary reference U.S. Government activity |
NSN 4710-01-164-0157 is a Tube Assembly,metal, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-164-0157 has 1 manufacturer part number on file: W138321 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for W138321: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Wall Thickness: 0.040 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND SINGLE END. 8 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.