The Tube Assembly,metal, cataloged under National Stock Number 4710-01-504-5696, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-504-5696 |
| Primary Part Number | 801-6640965ASSY200 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Form | STRAIGHT |
| Mating End Quantity | 3 SINGLE END |
| Criticality Code Justification | FEAT |
| Bolt Hole Diameter | 0.250 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| End Connection Style | UNTHREADED EXTERNAL SECOND END |
| End Connection Style | PLAIN FIRST END |
| End Connection Style | RAISED THIRD END |
| Tube Outside Diameter | 1.900 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 SECOND END |
| Material | TITANIUM TUBING |
| Material | TITANIUM SINGLE END |
| Thread Series Designator | NPT FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 801-6640965ASSY200 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6640965 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2633-100-01 | D/9 Drawing number reference only U.S. Government activity |
NSN 4710-01-504-5696 is a Tube Assembly,metal, manufactured by Naval Sea Systems Command, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-504-5696 has 1 manufacturer part number on file: 801-6640965ASSY200 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-522-5160, 4820-01-625-4664, 2835-01-656-3293. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6640965ASSY200: Design Form: STRAIGHT; Mating End Quantity: 3 SINGLE END; Criticality Code Justification: FEAT; Bolt Hole Diameter: 0.250 INCHES NOMINAL SECOND END IN. 13 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.