NSN 2945-01-399-3973 · NIIN 013993973 · Part number 1A908
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 2945-01-399-3973 — this item is cataloged by the U.S. Government under National Stock Number 2945-01-399-3973. Manufacturer of record part number: 1A908.
Also searched as2945-01-399-3973 ·
2945013993973 ·
NIIN 013993973 ·
01-399-3973 ·
FSC 2945 Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving · CAGE 77445 · 1A908
General Characteristics Item Description: AMS5040,5042
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2945-01-399-3973
NIIN: 013993973
FSC: 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving
FSG: 29 — Engine Accessories
Primary part number: 1A908
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Strainer,element, cataloged under National Stock Number 2945-01-399-3973, 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 1 specification, 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
2945-01-399-3973
Primary Part Number
1A908
Item Name
Strainer,element
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 2945-01-399-3973?
NSN 2945-01-399-3973 is a Strainer,element, 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 2945-01-399-3973?
NSN 2945-01-399-3973 has 1 manufacturer part number on file: 1A908 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 1A908?
Key specifications for 1A908: General Characteristics Item Description: AMS5040,5042; Special Features: NO. 5 BRG.. 1 specification is documented in the U.S. Government catalog.
Is NSN 2945-01-399-3973 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.