The Tube Assembly,metal, cataloged under National Stock Number 4710-01-162-4331, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-162-4331 |
| Primary Part Number | 70306-23108-043 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | MIL-T-8606, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Material Document and Classification | MIL-T-8606, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE SECOND END |
| Wall Thickness | 0.020 INCHES NOMINAL IN |
| End Connection Style | UNTHREADED EXTERNAL SECOND END |
| End Connection Style | UNTHREADED EXTERNAL FIRST END |
| Tube Outside Diameter | 2.500 INCHES NOMINAL IN |
| Material | STEEL COMP 321 FIRST END |
| Material | STEEL COMP 321 SECOND END |
| Material | STEEL COMP 321 TUBING |
| 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 |
|---|---|
| 70306-23108-043 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70306-23108 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4710-01-162-4331 is a Tube Assembly,metal, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-162-4331 has 1 manufacturer part number on file: 70306-23108-043 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-162-5213. Verify interchangeability with system specifications before substitution.
Key specifications for 70306-23108-043: Design Form: STRAIGHT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Material Document and Classification: MIL-T-8606, COMP 321 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 12 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.