The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-510-0791, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-510-0791 |
| Primary Part Number | 801-6640833ASSY67 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | AMS 5599 ASSN STD 1ST MATERIAL RESPONSE FIRST END |
| Material Document and Classification | MIL-T-1368 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.120 INCHES MINIMUM IN |
| Features Provided | JOINT GASKETS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| End Connection Style | UNTHREADED EXTERNAL SECOND END |
| End Connection Style | SWIVEL NUT, GASKET SEAL FIRST END |
| Tube Outside Diameter | 0.540 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 TUBING |
| Material | NICKEL ALLOY 625 AND ALUMINUM FIRST END |
| Thread Series Designator | NPSH FIRST END |
| Connection Special Design | UNION FIRST 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 |
|---|---|
| 801-6640833ASSY67 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2633-791-03 | D/9 Drawing number reference only U.S. Government activity |
| 2633-791-03ASSY67 | 5/2 Secondary reference U.S. Government activity |
NSN 4710-01-510-0791 is a Tube and Fittings,metallic, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-510-0791 has 1 manufacturer part number on file: 801-6640833ASSY67 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-690-3591, 4730-01-690-4096. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6640833ASSY67: Design Form: PREBENT; Mating End Quantity: 1 FIRST END; Material Document and Classification: AMS 5599 ASSN STD 1ST MATERIAL RESPONSE FIRST END; Material Document and Classification: MIL-T-1368 MIL SPEC SINGLE MATERIAL RESPONSE TUBING. 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.
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.