NSN 2945-01-026-4677 · NIIN 010264677 · Part number R9W1548
Falls Filtration Technologies, Inc. · FSC 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving · FSG 29 — Engine Accessories · CAGE 00736
Government record, cited
NSN 2945-01-026-4677 — this item is cataloged by the U.S. Government under National Stock Number 2945-01-026-4677. Manufacturer of record part number: R9W1548.
Also searched as2945-01-026-4677 ·
2945010264677 ·
NIIN 010264677 ·
01-026-4677 ·
FSC 2945 Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving · CAGE 00736 · R9W1548 · 6877256 · 6877256
Filtering Material Design: MESH AND PERFORATED METAL
Overall Diameter: 3.870 INCHES NOMINAL IN
Quantity: 6
Material Document and Classification: AMS 4212 ASSN STD SINGLE MATERIAL RESPONSE
Mounting Bolt Hole: PROVIDED
Identification
NSN: 2945-01-026-4677
NIIN: 010264677
FSC: 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
FSG: 29 — Engine Accessories
Primary part number: R9W1548
Manufacturer: Falls Filtration Technologies, Inc.
General Description
The Head,fluid Filter, cataloged under National Stock Number 2945-01-026-4677, 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 Falls Filtration Technologies, Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2945-01-026-4677
Primary Part Number
R9W1548
Item Name
Head,fluid Filter
FSC / FSG
2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
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 2945-01-026-4677?
NSN 2945-01-026-4677 is a Head,fluid Filter, manufactured by Falls Filtration Technologies, Inc., classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
What part numbers are listed for NSN 2945-01-026-4677?
NSN 2945-01-026-4677 has 2 manufacturer part numbers on file: R9W1548 (Falls Filtration Technologies, Inc.), 6877256 (Rolls-Royce Corporation).
What are the specifications of R9W1548?
Key specifications for R9W1548: Overall Height: 4.457 INCHES MINIMUM AND 4.551 INCHES MAXIMUM IN; Absolute Filtration Rating in Microns: 104.0; Usage Design: DIRECT INTEGRAL CAVITY MOUNTING; Filtering Material Design: MESH AND PERFORATED METAL. 12 specifications are documented in the U.S. Government catalog.
Is NSN 2945-01-026-4677 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.