PartsTable TECHNICAL DATA SHEET
NSN 2950-01-643-9003Government record, cited

Turbo Supercharger, Engine, Non-Ai2950-01-643-9003

NSN 2950-01-643-9003 · NIIN 016439003 · Part number 343-5687
Caterpillar Inc Div Caterpillar Defense · FSC 2950 — Turbosupercharger and Components · FSG 29 — Engine Accessories · CAGE 11083
Government record, cited
NSN 2950-01-643-9003 — this item is cataloged by the U.S. Government under National Stock Number 2950-01-643-9003. Manufacturer of record part number: 343-5687.
Also searched as  2950-01-643-9003 · 2950016439003 · NIIN 016439003 · 01-643-9003 · FSC 2950 Turbosupercharger and Components · CAGE 11083 · 343-5687
Nearby stock numbers  ·
Features
  • Turbo Supercharger,engine,non-Ai — FSC 2950
  • Drive Type: AIR PRESSURE
  • 1 manufacturer part number on file
  • Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
  • NSN: 2950-01-643-9003
  • NIIN: 016439003
  • FSC: 2950 — Turbosupercharger and Components
  • FSG: 29 — Engine Accessories
  • Primary part number: 343-5687
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Turbo Supercharger,engine,non-Ai, cataloged under National Stock Number 2950-01-643-9003, is classified within Federal Supply Class 2950 (Turbosupercharger and Components) 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
NSN2950-01-643-9003
Primary Part Number343-5687
Item NameTurbo Supercharger,engine,non-Ai
FSC / FSG2950 / 29 — Turbosupercharger and Components
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Drive TypeAIR PRESSURE
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
343-5687 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 2950 — Turbosupercharger and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2950-00-001-9474
PLATE,TURBINE
2950-00-003-0961
2950-00-003-0961 · Item name not on file
2950-00-003-0962
CLAMP,TURBOCHARGER
2950-00-003-0965
DIFFUSER,TURBOCHARGER
2950-00-003-0966
SHROUD,TURBOCHARGER
2950-00-003-5911
PLATE,BACK,TURBOCHARGER
2950-00-003-5912
2950-00-003-5912 · Item name not on file
2950-00-003-5913
2950-00-003-5913 · Item name not on file

Frequently Asked Questions

What is NSN 2950-01-643-9003?

NSN 2950-01-643-9003 is a Turbo Supercharger,engine,non-Ai, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2950, Turbosupercharger and Components. Status: active.

What part numbers are listed for NSN 2950-01-643-9003?

NSN 2950-01-643-9003 has 1 manufacturer part number on file: 343-5687 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 343-5687?

Key specifications for 343-5687: Drive Type: AIR PRESSURE; Part Name Assigned by Controlling Agency: TURBO GP-BASIC; End Item Identification: EMERGENCY DIESEL GENERATOR SET (3512C). 1 specification is documented in the U.S. Government catalog.

Is NSN 2950-01-643-9003 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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