The Tube Assembly,metal, cataloged under National Stock Number 4710-01-161-8646, 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 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-161-8646 |
| Primary Part Number | 3169609-3 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | WW-T-700/4, ALLOY 5052 FED SPEC SINGLE MATERIAL RESPONSE TUBING |
| End Connection Style | UNTHREADED EXTERNAL SINGLE END |
| Tube Outside Diameter | 0.639 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 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 |
|---|---|
| 3169609-3 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 70311-22806-110 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 3169609-3 | 5/9 Secondary reference U.S. Government activity |
| 70311-22806 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4710-01-161-8646 is a Tube Assembly,metal, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-161-8646 has 2 manufacturer part numbers on file: 3169609-3 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 70311-22806-110 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
3 possible matches (shared part number, not a government interchangeability claim): 4710-01-521-1433, 4710-01-521-1459, 4710-01-521-1460. Verify interchangeability with system specifications before substitution.
Key specifications for 3169609-3: Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: WW-T-700/4, ALLOY 5052 FED SPEC SINGLE MATERIAL RESPONSE TUBING; End Connection Style: UNTHREADED EXTERNAL SINGLE END. 6 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 4710-01-161-8646 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.