The Duct,anti Icing, cataloged under National Stock Number 2840-01-035-6293, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-035-6293 |
| Primary Part Number | 761304 |
| Item Name | Duct,anti Icing |
| 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 |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 761304 | E.a. Patten Co Llc (USA) |
| 761304 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| 761304 | Rtx Corporation Div Pratt & Whitney (USA) |
| 761304 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 761304 | Kreisler Industrial Corporation (USA) |
| 761304 | Mainstream Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| 761304 | 5/9 Secondary reference U.S. Government activity |
| 761304 | 5/9 Secondary reference Tect Hypervelocity, Inc. |
| 761304 | 5/9 Secondary reference Aero Tube Technologies, Llc Dba Tube Bends |
| 761304 | 5/9 Secondary reference Moeller Mfg. Company, Llc Div Aircraft |
| 761304 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders |
| 745699 | C/1 Advisory reference — outside the item-of-supply concept Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 761304 | 5/9 Secondary reference Triumph Actuation Systems - Connecticut, Llc Dba Triumph Actuation Systems |
| 761304 | 5/9 Secondary reference Enjet Aero Bloomfield, Llc |
| 761304 | 5/9 Secondary reference Wyle Laboratories Lewis Machiine Co Div |
| 761304 | 5/2 Secondary reference U.S. Government activity |
| 761304 | 5/9 Secondary reference U.S. Government activity |
| 761304 | 5/9 Secondary reference Lewis Machine, Llc |
NSN 2840-01-035-6293 is a Duct,anti Icing, 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 2840-01-035-6293 has 6 manufacturer part numbers on file: 761304 (E.a. Patten Co Llc), 761304 (Smiths Tubular Systems-Laconia, Inc.), 761304 (Rtx Corporation Div Pratt & Whitney), 761304 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 761304 (Kreisler Industrial Corporation) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 1660-01-507-5069. Verify interchangeability with system specifications before substitution.
Key specifications for 761304: Criticality Code Justification: FEAT; Special Features: FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTI; End Item Identification: ACFT ENGINE,TF33-P100A. 1 specification is 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.