The Channel,nut Difuse, cataloged under National Stock Number 2840-00-169-2689, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Channel,nut Difuse |
| FSC / FSG | 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28) |
| Manufacturers | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445); Paradigm Manchester Inc. Dba Pursuit Aerospace (CAGE 1J4P3) |
| Parameter | Value |
|---|---|
| NSN | 2840-00-169-2689 |
| Primary Part Number | 673062 |
| Item Name | Channel,nut Difuse |
| 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 A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 673062 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 673062 | Paradigm Manchester Inc. Dba Pursuit Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 673062 | 5/9 Secondary reference Dynamic Gunver Technologies Llc |
| 673062 | 5/9 Secondary reference Harvard Industries Inc |
| 673062 | 5/9 Secondary reference Parmac Inc |
| 673062 | 5/9 Secondary reference Gould E a and Co |
NSN 2840-00-169-2689 is a Channel,nut Difuse, 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 2840-00-169-2689 has 2 manufacturer part numbers on file: 673062 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 673062 (Paradigm Manchester Inc. Dba Pursuit Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 2825-01-033-6619. Verify interchangeability with system specifications before substitution.
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.