The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-083-2956, 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 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-083-2956 |
| Primary Part Number | 70306-10016-041 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 SINGLE END |
| Material Document and Classification | MIL-T-8606 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| End Connection Style | UNTHREADED INTERNAL SINGLE END |
| Tube Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70306-10016-041 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70306-10016-041 | W and G Machine Company, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 70306-10016 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4710-01-083-2956 is a Tube and Fittings,metallic, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-083-2956 has 2 manufacturer part numbers on file: 70306-10016-041 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70306-10016-041 (W and G Machine Company, Incorporated).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-083-2957. Verify interchangeability with system specifications before substitution.
Key specifications for 70306-10016-041: Design Form: PREBENT; Mating End Quantity: 1 SINGLE END; Material Document and Classification: MIL-T-8606 MIL SPEC SINGLE MATERIAL RESPONSE TUBING; Wall Thickness: 0.028 INCHES NOMINAL IN. 7 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.
NSN 4710-01-083-2956 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.