NSN 2840-00-407-3178 · NIIN 004073178 · Part number 660039
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-407-3178 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-407-3178. Manufacturer of record part number: 660039.
Also searched as2840-00-407-3178 ·
2840004073178 ·
NIIN 004073178 ·
00-407-3178 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 660039
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-407-3178
NIIN: 004073178
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 660039
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Plate,scavenge Pump, cataloged under National Stock Number 2840-00-407-3178, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-407-3178
Primary Part Number
660039
Item Name
Plate,scavenge Pump
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
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1660-00-778-404766-003-9POSSIBLE MATCH
INSULATION PIPE COVERING,THERMAL
Possible match (shared part number)Seaman Products of California
NSN 2840-00-407-3178 is a Plate,scavenge Pump, 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.
What part numbers are listed for NSN 2840-00-407-3178?
NSN 2840-00-407-3178 has 2 manufacturer part numbers on file: 660039 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 660039 (Rtx Corporation Div Pratt & Whitney).
What NSN replaces 2840-00-407-3178?
2 possible matches (shared part number, not a government interchangeability claim): 1660-00-778-4047, 6625-01-573-2381. Verify interchangeability with system specifications before substitution.
What are the specifications of 660039?
Key specifications for 660039: End Item Identification: J52-P-408A(EA-6B) AIRCRAFT ENGINES A. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-407-3178 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 2840-00-407-3178?
NSN 2840-00-407-3178 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.