PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LST542-65-61ALT5SYM940Bearing

Harper Jos and Son Inc · NSN 3110-00-343-6600 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-343-6600 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-343-6600. Primary manufacturer part number: LST542-65-61ALT5SYM940.
Features
  • Bearing — FSC 3110
  • 4 verified cross-references
  • Primary manufacturer: Harper Jos and Son Inc
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing, cataloged under National Stock Number 3110-00-343-6600, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Harper Jos and Son Inc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing
FSC / FSG3110 — No Item Name Available (FSG 31)
ManufacturersHarper Jos and Son Inc (CAGE 73077); L3 Technologies, Inc. (CAGE 28199)
Technical Specifications
ParameterValue
NSN3110-00-343-6600
Primary Part NumberLST542-65-61ALT5SYM940
Item NameBearing
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerHarper Jos and Son Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-159-9363WS208-22 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
5133-00-189-9313 INTERCHANGEABLE
Drill,twist
5305-00-206-2468 INTERCHANGEABLE
Screw,cap,socket Head
5133-00-227-9665 INTERCHANGEABLE
Drill,twist
5315-00-311-912310023 INTERCHANGEABLE
Roll Pin
Signode Corp
3110-00-606-1841 INTERCHANGEABLE
Cone and Rollers,tapered Roller
2920-00-691-8765BRC-3003 INTERCHANGEABLE
Drive,engine,electrical Starter
Prestolite Electric Inc
4920-00-947-131110023 INTERCHANGEABLE
Post,nozzle
Schenck Usa Corp. Dba Schenck Usa Corp
5910-01-060-369710-023 INTERCHANGEABLE
Capacitor
Druck, Llc Dba Druck, Llc
6695-01-080-654710023 INTERCHANGEABLE
Precision Oscillator
Julie Research Laboratories Inc Optimation Div
Cross-Reference Index
Part NumberManufacturer
LST542-65-61ALT5SYM940 Harper Jos and Son Inc (USA)
10-023 L3 Technologies, Inc. (USA)
LST542-65-61ALT5H12HJS30010 Harper Jos and Son Inc (USA)
178 Harper Jos and Son Inc (USA)
Related Parts
3110-00-159-9363INTERCHANGEABLE
ROLLER,BEARING
WS208-22
5133-00-189-9313INTERCHANGEABLE
DRILL,TWIST
5305-00-206-2468INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5133-00-227-9665INTERCHANGEABLE
DRILL,TWIST
5315-00-311-9123INTERCHANGEABLE
ROLL PIN
10023
3110-00-606-1841INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2920-00-691-8765INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
BRC-3003
4920-00-947-1311INTERCHANGEABLE
POST,NOZZLE
10023
5910-01-060-3697INTERCHANGEABLE
CAPACITOR
10-023
6695-01-080-6547INTERCHANGEABLE
PRECISION OSCILLATOR
10023
5340-01-166-5249INTERCHANGEABLE
BRACKET,WALL
100-23
9150-01-239-8703INTERCHANGEABLE
LUBRICANT,ANTISEIZE
10091

Frequently Asked Questions

What is NSN 3110-00-343-6600?

NSN 3110-00-343-6600 is a Bearing, manufactured by Harper Jos and Son Inc, classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-343-6600?

NSN 3110-00-343-6600 has 4 cross-referenced part numbers: LST542-65-61ALT5SYM940 (Harper Jos and Son Inc), 10-023 (L3 Technologies, Inc.), LST542-65-61ALT5H12HJS30010 (Harper Jos and Son Inc), 178 (Harper Jos and Son Inc).

What NSN replaces 3110-00-343-6600?

There are 12 known substitutes for 3110-00-343-6600: 3110-00-159-9363, 5133-00-189-9313, 5305-00-206-2468 and 9 more. Verify interchangeability with system specifications before substitution.

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