PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73690Bearing,sleeve

Textron Lycoming Inc Williamsport Plant · NSN 3120-00-891-3117 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-891-3117 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-891-3117. Primary manufacturer part number: 73690.
Features
  • Bearing,sleeve — FSC 3120
  • 3 verified cross-references
  • Primary manufacturer: Textron Lycoming Inc Williamsport Plant
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-891-3117, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersTextron Lycoming Inc Williamsport Plant (CAGE 80254); Satair A/s (CAGE R1120)
Technical Specifications
ParameterValue
NSN3120-00-891-3117
Primary Part Number73690
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4810-00-231-492072599 INTERCHANGEABLE
Valve,linear,directional Control
Hydro-Aire Aerospace Corp
5330-00-404-448172599 INTERCHANGEABLE
Gasket
Dressta North America Ltd
5310-00-545-4502 INTERCHANGEABLE
Nut,plain,hexagon
2990-00-887-91258370 INTERCHANGEABLE
Control Assembly,push-Pull
Danfoss Power Solutions II, Llc
3040-01-047-089473690 INTERCHANGEABLE
Bell Crank
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
73690 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
72599 Textron Lycoming Inc Williamsport Plant (USA)
73690 Satair A/s (DNK)
Related Parts
4810-00-231-4920INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
72599
5330-00-404-4481INTERCHANGEABLE
GASKET
72599
5310-00-545-4502INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2990-00-887-9125INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
8370
3040-01-047-0894INTERCHANGEABLE
BELL CRANK
73690

Frequently Asked Questions

What is NSN 3120-00-891-3117?

NSN 3120-00-891-3117 is a Bearing,sleeve, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-891-3117?

NSN 3120-00-891-3117 has 3 cross-referenced part numbers: 73690 (Textron Lycoming Inc Williamsport Plant), 72599 (Textron Lycoming Inc Williamsport Plant), 73690 (Satair A/s).

What NSN replaces 3120-00-891-3117?

There are 5 known substitutes for 3120-00-891-3117: 4810-00-231-4920, 5330-00-404-4481, 5310-00-545-4502 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 3120-00-891-3117 still in active supply?

NSN 3120-00-891-3117 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com