The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-445-5143, 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 The Boeing Company Div Defense. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-445-5143 |
| Primary Part Number | 68A250549-2004 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Bolt Hole Diameter | 0.125 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | WW-T-700/6, ALLOY 6061, T4, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE TUBING |
| Material Document and Classification | QQ-A-250/11, ALLOY 6061, T6 FED SPEC 1ST MATERIAL RESPONSE SECOND END |
| Wall Thickness | 0.035 INCHES NOMINAL IN |
| End Connection Style | PLAIN SECOND END |
| End Connection Style | UNTHREADED EXTERNAL FIRST END |
| Tube Outside Diameter | 1.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 5 SECOND END |
| Bolt Circle Diameter | 3.040 INCHES NOMINAL SECOND END IN |
| Material | ALUMINUM ALLOY FIRST END |
| Material | ALUMINUM ALLOY 6061 TUBING |
| Material | ALUMINUM ALLOY 6061 SECOND END |
| 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 |
|---|---|
| 68A250549-2004 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A250549 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4710-01-445-5143 is a Tube and Fittings,metallic, manufactured by The Boeing Company Div Defense, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-445-5143 has 1 manufacturer part number on file: 68A250549-2004 (The Boeing Company Div Defense).
4 possible matches (shared part number, not a government interchangeability claim): 4710-01-445-5166, 4710-01-445-5187, 4710-01-445-5240. Verify interchangeability with system specifications before substitution.
Key specifications for 68A250549-2004: Design Form: PREBENT; Mating End Quantity: 1 SECOND END; Mating End Quantity: 1 FIRST END; Bolt Hole Diameter: 0.125 INCHES NOMINAL FIRST END IN. 15 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 4710-01-445-5143 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.