PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6344Bearing,sleeve

Highway Equipment Company Inc · NSN 3120-00-992-4047 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-992-4047 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-992-4047. Primary manufacturer part number: 6344.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SEGMENTED, EXTERNAL FLANGES BOTH ENDS
  • Material: IRON OVERALL
  • Material Document and Classification: 283-70-3,LINK-BELT CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 1.5000 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Highway Equipment Company Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-992-4047, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Highway Equipment Company Inc. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-992-4047
Primary Part Number6344
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHighway Equipment Company Inc
StatusACTIVE
Style DesignatorSEGMENTED, EXTERNAL FLANGES BOTH ENDS
MaterialIRON OVERALL
Material Document and Classification283-70-3,LINK-BELT CO MFR REF SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter1.5000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8345-00-261-2951 INTERCHANGEABLE
Flag,national
8345-00-263-2529 INTERCHANGEABLE
Flag,national
8345-00-264-2616 INTERCHANGEABLE
Flag,national
5315-00-269-7105180234PC6 INTERCHANGEABLE
Key,machine
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-279-8606 INTERCHANGEABLE
Resistor,adjustable
5305-00-286-38666344 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
2805-00-308-8029838884 INTERCHANGEABLE
Retainer
General Motors Corp
5310-00-599-9753 INTERCHANGEABLE
Washer,flat
6660-00-612-31776344 INTERCHANGEABLE
Pen Lifter Assembly
Belfort Instrument Company
5910-00-791-2643 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Cross-Reference Index
Part NumberManufacturer
6344 PRIMARY Highway Equipment Company Inc (USA)
Related Parts
8345-00-261-2951INTERCHANGEABLE
FLAG,NATIONAL
8345-00-263-2529INTERCHANGEABLE
FLAG,NATIONAL
8345-00-264-2616INTERCHANGEABLE
FLAG,NATIONAL
5315-00-269-7105INTERCHANGEABLE
KEY,MACHINE
180234PC6
5905-00-279-8606INTERCHANGEABLE
RESISTOR,ADJUSTABLE
5305-00-286-3866INTERCHANGEABLE
SCREW,MACHINE
6344
2805-00-308-8029INTERCHANGEABLE
RETAINER
838884
5310-00-599-9753INTERCHANGEABLE
WASHER,FLAT
6660-00-612-3177INTERCHANGEABLE
PEN LIFTER ASSEMBLY
6344
5910-00-791-2643INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
5950-00-968-5432INTERCHANGEABLE
TRANSFORMER,POWER
142210-01
4730-01-174-5928INTERCHANGEABLE
VENT FITTING BODY
6344

Frequently Asked Questions

What is NSN 3120-00-992-4047?

NSN 3120-00-992-4047 is a Bearing,sleeve, manufactured by Highway Equipment Company Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-992-4047?

NSN 3120-00-992-4047 has 1 cross-referenced part number: 6344 (Highway Equipment Company Inc).

What NSN replaces 3120-00-992-4047?

There are 12 known substitutes for 3120-00-992-4047: 8345-00-261-2951, 8345-00-263-2529, 8345-00-264-2616 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6344?

Key specifications for 6344: Style Designator: SEGMENTED, EXTERNAL FLANGES BOTH ENDS; Material: IRON OVERALL; Material Document and Classification: 283-70-3,LINK-BELT CO MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.9375 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN. 5 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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