NSN 2945-00-920-3590 · NIIN 009203590 · Part number 491699
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving · FSG 29 — Engine Accessories · CAGE 77445
Government record, cited
NSN 2945-00-920-3590 — this item is cataloged by the U.S. Government under National Stock Number 2945-00-920-3590. Manufacturer of record part number: 491699.
Also searched as2945-00-920-3590 ·
2945009203590 ·
NIIN 009203590 ·
00-920-3590 ·
FSC 2945 Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving · CAGE 77445 · 491699
Nearby stock numbers← 2945-00-919-8560 Parts Kit, Filter, Cu
·
2945-00-920-4677 Strainer, Oil Bearing →
Features
Filtering Disk,fluid — FSC 2945
Body Diameter: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN
FSC Application Data: AIRCRAFT ENGINE PRESSURE RATIO BLEED CONTROL
Design Type: REUSABLE
Style Designator: ROUND (BASICALLY FLAT)
Media for Which Designed: AIR
Body Thickness: 0.026 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 2945-00-920-3590
NIIN: 009203590
FSC: 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
FSG: 29 — Engine Accessories
Primary part number: 491699
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Filtering Disk,fluid, cataloged under National Stock Number 2945-00-920-3590, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2945-00-920-3590
Primary Part Number
491699
Item Name
Filtering Disk,fluid
FSC / FSG
2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2945-00-468-7468
2945-00-468-7468 · Item name not on file
2945-00-524-5147
2945-00-524-5147 · Item name not on file
2945-00-723-2900
FILTER,FLUID
2945-00-919-0605
2945-00-919-0605 · Item name not on file
2945-01-058-5949
FILTER,FLUID
2945-01-095-4583
FILTER BODY,FLUID
2945-01-102-0712
2945-01-102-0712 · Item name not on file
2945-01-110-1358
2945-01-110-1358 · Item name not on file
Frequently Asked Questions
What is NSN 2945-00-920-3590?
NSN 2945-00-920-3590 is a Filtering Disk,fluid, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
What part numbers are listed for NSN 2945-00-920-3590?
NSN 2945-00-920-3590 has 1 manufacturer part number on file: 491699 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 491699?
Key specifications for 491699: Body Diameter: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN; FSC Application Data: AIRCRAFT ENGINE PRESSURE RATIO BLEED CONTROL; Design Type: REUSABLE; Style Designator: ROUND (BASICALLY FLAT). 6 specifications are documented in the U.S. Government catalog.
Is NSN 2945-00-920-3590 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.
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.