PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14639Bushing,sleeve

Aerosonic Llc · NSN 3120-01-320-9954 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-320-9954 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-320-9954. Primary manufacturer part number: 14639.
Features
  • Bushing,sleeve — FSC 3120
  • Style Designator: HEXAGON SHAPED FLANGE, EXTERNAL FLANGE ONE END
  • Body Inside Diameter: 0.0830 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial machinery bearing replacement
  • Motor and pump shaft assemblies
  • HVAC blower and fan assemblies
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-01-320-9954, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-320-9954
Primary Part Number14639
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Style DesignatorHEXAGON SHAPED FLANGE, EXTERNAL FLANGE ONE END
Body Inside Diameter0.0830 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-810-70822226 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
3120-01-064-669914639 INTERCHANGEABLE
Bearing Half,sleeve
Hdt Expeditionary Systems Inc
2915-01-163-4586 INTERCHANGEABLE
Pump Assy,fuel
Cross-Reference Index
Part NumberManufacturer
14639 PRIMARY Aerosonic Llc (USA)
Related Parts
2920-00-810-7082INTERCHANGEABLE
SPARK PLUG
2226
3120-01-064-6699INTERCHANGEABLE
BEARING HALF,SLEEVE
14639
2915-01-163-4586INTERCHANGEABLE
PUMP ASSY,FUEL

Frequently Asked Questions

What is NSN 3120-01-320-9954?

NSN 3120-01-320-9954 is a Bushing,sleeve, manufactured by Aerosonic Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-320-9954?

NSN 3120-01-320-9954 has 1 cross-referenced part number: 14639 (Aerosonic Llc).

What NSN replaces 3120-01-320-9954?

There are 3 known substitutes for 3120-01-320-9954: 2920-00-810-7082, 3120-01-064-6699, 2915-01-163-4586. Verify interchangeability with system specifications before substitution.

What are the specifications of 14639?

Key specifications for 14639: Style Designator: HEXAGON SHAPED FLANGE, EXTERNAL FLANGE ONE END; Body Inside Diameter: 0.0830 INCHES MINIMUM AND 0.0890 INCHES MAXIMUM IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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