PartsTable TECHNICAL DATA SHEET
NSN 2940-00-104-4473Government record, cited

Cup Assembly, Air Cleaner2940-00-104-4473

NSN 2940-00-104-4473 · NIIN 001044473 · Part number 1M3479
Caterpillar Inc Div Caterpillar Defense · FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083
Government record, cited
NSN 2940-00-104-4473 — this item is cataloged by the U.S. Government under National Stock Number 2940-00-104-4473. Manufacturer of record part number: 1M3479.
Also searched as  2940-00-104-4473 · 2940001044473 · NIIN 001044473 · 00-104-4473 · FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · CAGE 11083 · 1M3479
Nearby stock numbers  ·
Features
  • Cup Assembly,air Cleaner — FSC 2940
  • General Characteristics Item Description: STEEL,PAINTED YELLOW;13.875 IN. OD; 13.125 IN.ID; 3.312 IN. O/A H;16.000 IN. WIDTHACROSS BRACKET IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2940-00-104-4473
  • NIIN: 001044473
  • FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 1M3479
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Cup Assembly,air Cleaner, cataloged under National Stock Number 2940-00-104-4473, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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
ParameterValue
NSN2940-00-104-4473
Primary Part Number1M3479
Item NameCup Assembly,air Cleaner
FSC / FSG2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
General Characteristics Item DescriptionSTEEL,PAINTED YELLOW;13.875 IN. OD; 13.125 IN.ID; 3.312 IN. O/A H;16.000 IN. WIDTHACROSS BRACKET IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1M3479 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-354-6471
STRAINER OIL
2940-00-356-0884
FILTER ELEMENT,FLUID
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE

Frequently Asked Questions

What is NSN 2940-00-104-4473?

NSN 2940-00-104-4473 is a Cup Assembly,air Cleaner, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.

What part numbers are listed for NSN 2940-00-104-4473?

NSN 2940-00-104-4473 has 1 manufacturer part number on file: 1M3479 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 1M3479?

Key specifications for 1M3479: General Characteristics Item Description: STEEL,PAINTED YELLOW;13.875 IN. OD; 13.125 IN.ID; 3.312 IN. O/A H;16.000 IN. WIDTHACROSS BRACKET IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 2940-00-104-4473 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.
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