PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74388Bearing,sleeve

Triumph Engine Control Systems Llc · NSN 3120-01-343-0939 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-343-0939 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-343-0939. Primary manufacturer part number: 74388.
Features
  • Bearing,sleeve — FSC 3120
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-343-0939, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Triumph Engine Control Systems Llc. 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
NSN3120-01-343-0939
Primary Part Number74388
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-914-726074-388 INTERCHANGEABLE
Screw,machine
Pitney Bowes Inc.
5315-01-319-220086219 INTERCHANGEABLE
Pin,shoulder,headless
General Electric Company Dba Ge Aerospace
2810-01-348-289774388 INTERCHANGEABLE
Rocker Arm,engine Poppet Valve
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
74388 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5305-00-914-7260INTERCHANGEABLE
SCREW,MACHINE
74-388
5315-01-319-2200INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
86219
2810-01-348-2897INTERCHANGEABLE
ROCKER ARM,ENGINE POPPET VALVE
74388

Frequently Asked Questions

What is NSN 3120-01-343-0939?

NSN 3120-01-343-0939 is a Bearing,sleeve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-343-0939?

NSN 3120-01-343-0939 has 1 cross-referenced part number: 74388 (Triumph Engine Control Systems Llc).

What NSN replaces 3120-01-343-0939?

There are 3 known substitutes for 3120-01-343-0939: 5305-00-914-7260, 5315-01-319-2200, 2810-01-348-2897. Verify interchangeability with system specifications before substitution.

What are the specifications of 74388?

Key specifications for 74388: Special Features: USED ON A PUMP. 1 total characteristics are documented in the Federal Logistics Information System.

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