PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40377Roller,idler

Lake Shore Systems, Inc. · NSN 3950-01-189-5487 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-189-5487 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-189-5487. Primary manufacturer part number: 40377.
Features
  • Roller,idler — FSC 3950
  • 1 verified cross-reference
  • Primary manufacturer: Lake Shore Systems, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Roller,idler, cataloged under National Stock Number 3950-01-189-5487, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Lake Shore Systems, Inc.. 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.

Catalog Facts
Item NameRoller,idler
FSC / FSG3950 — No Item Name Available (FSG 39)
ManufacturersLake Shore Systems, Inc. (CAGE 34712)
Technical Specifications
ParameterValue
NSN3950-01-189-5487
Primary Part Number40377
Item NameRoller,idler
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-228-9506 INTERCHANGEABLE
Wrench,box and Open End,combinat
6930-00-480-300640377 INTERCHANGEABLE
Drum Assy,number 3
Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division
4240-01-464-4958463942 INTERCHANGEABLE
Helmet,safety,inser
Mine Safety Appliances Company
Cross-Reference Index
Part NumberManufacturer
40377 PRIMARY Lake Shore Systems, Inc. (USA)
Related Parts
5120-00-228-9506INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
6930-00-480-3006INTERCHANGEABLE
DRUM ASSY,NUMBER 3
40377
4240-01-464-4958INTERCHANGEABLE
HELMET,SAFETY,INSER
463942

Frequently Asked Questions

What is NSN 3950-01-189-5487?

NSN 3950-01-189-5487 is a Roller,idler, manufactured by Lake Shore Systems, Inc., classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-189-5487?

NSN 3950-01-189-5487 has 1 cross-referenced part number: 40377 (Lake Shore Systems, Inc.).

What NSN replaces 3950-01-189-5487?

There are 3 known substitutes for 3950-01-189-5487: 5120-00-228-9506, 6930-00-480-3006, 4240-01-464-4958. Verify interchangeability with system specifications before substitution.

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