The Tube Assembly,metal, cataloged under National Stock Number 4710-01-052-5251, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-052-5251 |
| Primary Part Number | 2173180 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Design Form | PREBENT |
| Mating End Quantity | 4 ALL ENDS |
| Material Document and Classification | AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.031 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN |
| End Connection Style | MISCELLANEOUS SECOND END |
| End Connection Style | MISCELLANEOUS THIRD END |
| End Connection Style | SWIVEL NUT, FLARE FIRST END |
| End Connection Style | SWIVEL NUT, FLARE FOURTH END |
| Tube Outside Diameter | 0.425 INCHES MINIMUM AND 0.443 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 TUBING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2173180 | Rtx Corporation Div Pratt & Whitney (USA) |
| 2173180 | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| 2173180 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 2173180 | 5/9 Secondary reference U.S. Government activity |
NSN 4710-01-052-5251 is a Tube Assembly,metal, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-052-5251 has 3 manufacturer part numbers on file: 2173180 (Rtx Corporation Div Pratt & Whitney), 2173180 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 2173180 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 2173180: Design Form: PREBENT; Mating End Quantity: 4 ALL ENDS; Material Document and Classification: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING; Wall Thickness: 0.031 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN. 10 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 4710-01-052-5251 has DEMIL Code B. 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.