The Liner,tube Breather, cataloged under National Stock Number 2840-00-760-5748, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Liner,tube Breather |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rtx Corporation Div Pratt & Whitney (CAGE 52661); Kreisler Industrial Corporation (CAGE 05813); Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (CAGE 21890); Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-760-5748 |
| Primary Part Number | 493355 |
| Item Name | Liner,tube Breather |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| 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) |
| Part Number | Manufacturer |
|---|---|
| 493355 | Rtx Corporation Div Pratt & Whitney (USA) |
| 493355 | Kreisler Industrial Corporation (USA) |
| 493355 | Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA) |
| 493355 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 493355 | 5/9 Secondary reference Eddings Bros Inc |
| 493355 | 5/2 Secondary reference U.S. Government activity |
| 493355 | 5/9 Secondary reference U.S. Government activity |
| 493355 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 493355 | 5/2 Secondary reference U.S. Government activity |
NSN 2840-00-760-5748 is a Liner,tube Breather, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-760-5748 has 4 manufacturer part numbers on file: 493355 (Rtx Corporation Div Pratt & Whitney), 493355 (Kreisler Industrial Corporation), 493355 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 493355 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
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 2840-00-760-5748 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.