The Tube Assembly,metal, cataloged under National Stock Number 4710-01-135-8546, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-135-8546 |
| Primary Part Number | 2178967-01 |
| 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 |
| Seat Angle in Deg | 37.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Material Document and Classification | AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING |
| Wall Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| End Connection Style | UNTHREADED INTERNAL SINGLE END |
| Tube Outside Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material | STEEL COMP 347 SINGLE END |
| Material | STEEL COMP 321 TUBING |
| End Connection Spec/std | MIL,MS9483,PART NO. MS9483-04 |
| 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 |
|---|---|
| 2178967-01 | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| 2178967-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 2178967-01 | Kreisler Industrial Corporation (USA) |
NSN 4710-01-135-8546 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 4710-01-135-8546 has 3 manufacturer part numbers on file: 2178967-01 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 2178967-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 2178967-01 (Kreisler Industrial Corporation).
Key specifications for 2178967-01: Seat Angle in Deg: 37.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Material Document and Classification: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE TUBING. 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.
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.