The Tube Assembly,oil Cooler, cataloged under National Stock Number 4710-00-377-1843, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-377-1843 |
| Primary Part Number | 733028 |
| Item Name | Tube Assembly,oil Cooler |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 733028 | E.a. Patten Co Llc (USA) |
| 733028 | Rtx Corporation Div Pratt & Whitney (USA) |
| 733028 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 733028 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 733028 | 5/9 Secondary reference Pegasus Manufacturing, Inc. Dba Pegasus Manufacturing |
| 733028 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 733028 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| 733028 | 5/9 Secondary reference Kreisler Industrial Corporation |
NSN 4710-00-377-1843 is a Tube Assembly,oil Cooler, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-377-1843 has 3 manufacturer part numbers on file: 733028 (E.a. Patten Co Llc), 733028 (Rtx Corporation Div Pratt & Whitney), 733028 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 733028: End Item Identification: ENGINE MODEL NO. TF-33P-3. 0 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 4710-00-377-1843 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.