PartsTable TECHNICAL DATA SHEET
NSN 2990-01-693-9369Government record, cited

Air Distributor, Starter2990-01-693-9369

NSN 2990-01-693-9369 · NIIN 016939369 · Part number 4N-4378
Caterpillar Inc Div Caterpillar Defense · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083
Government record, cited
NSN 2990-01-693-9369 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-693-9369. Manufacturer of record part number: 4N-4378.
Also searched as  2990-01-693-9369 · 2990016939369 · NIIN 016939369 · 01-693-9369 · FSC 2990 Miscellaneous Engine Accessories, Nonaircraft · CAGE 11083 · 4N-4378
Nearby stock numbers  ·
Features
  • Air Distributor,starter — FSC 2990
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2990-01-693-9369
  • NIIN: 016939369
  • FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 4N-4378
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Air Distributor,starter, cataloged under National Stock Number 2990-01-693-9369, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
ParameterValue
NSN2990-01-693-9369
Primary Part Number4N-4378
Item NameAir Distributor,starter
FSC / FSG2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
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
4N-4378 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Reference documents
ReferenceMeaning
4N-4378 5/9 Secondary reference
Carter Machinery Co
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-096-8607
CONTROL ASSEMBLY,PUSH-PULL
2990-00-390-3445
CRANK,HAND,VEHICULAR
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-459-7255
MUFFLER,EXHAUST
2990-00-536-2962
BLOCK,ADJUSTING SCREW
2990-00-903-8226
MUFFLER,EXHAUST
2990-01-151-5443
CONNECTOR,EXHAUST PIPE
2990-01-151-5443
CONNECTOR,EXHAUST PIPE

Frequently Asked Questions

What is NSN 2990-01-693-9369?

NSN 2990-01-693-9369 is a Air Distributor,starter, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.

What part numbers are listed for NSN 2990-01-693-9369?

NSN 2990-01-693-9369 has 1 manufacturer part number on file: 4N-4378 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 4N-4378?

Key specifications for 4N-4378: Part Name Assigned by Controlling Agency: AIR STARTER CYLINDER; End Item Identification: 1915-01-153-8801. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2990-01-693-9369 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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