PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C-21783Guide,chain

Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon · NSN 3950-01-261-7973 · FSC 3950 · No Item Name Available
Verified by PartsTable
NSN 3950-01-261-7973 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-261-7973. Primary manufacturer part number: C-21783.
Features
  • Guide,chain — FSC 3950
  • General Characteristics Item Description: STEEL
  • 2 verified cross-references
  • Primary manufacturer: Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guide,chain, cataloged under National Stock Number 3950-01-261-7973, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN3950-01-261-7973
Primary Part NumberC-21783
Item NameGuide,chain
FSC / FSG3950 / 39 — No Item Name Available
ManufacturerColumbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon
StatusACTIVE
General Characteristics Item DescriptionSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3950-01-253-0605 INTERCHANGEABLE
Hoist,chain
3040-01-261-0201 INTERCHANGEABLE
Shaft,shouldered
3020-01-414-8023 INTERCHANGEABLE
Pulley,groove
Cross-Reference Index
Part NumberManufacturer
C-21783 Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon (USA)
905 Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon (USA)
Related Parts
3950-01-253-0605INTERCHANGEABLE
HOIST,CHAIN
3040-01-261-0201INTERCHANGEABLE
SHAFT,SHOULDERED
3020-01-414-8023INTERCHANGEABLE
PULLEY,GROOVE

Frequently Asked Questions

What is NSN 3950-01-261-7973?

NSN 3950-01-261-7973 is a Guide,chain, manufactured by Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon, classified under FSC 3950 (No Item Name Available). Status: active.

What are the part numbers for NSN 3950-01-261-7973?

NSN 3950-01-261-7973 has 2 cross-referenced part numbers: C-21783 (Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon), 905 (Columbus Mckinnon Corporation Dba Chester Hoist Div Ohio Operations - Lisbon).

What NSN replaces 3950-01-261-7973?

There are 3 known substitutes for 3950-01-261-7973: 3950-01-253-0605, 3040-01-261-0201, 3020-01-414-8023. Verify interchangeability with system specifications before substitution.

What are the specifications of C-21783?

Key specifications for C-21783: General Characteristics Item Description: STEEL; End Item Identification: CHESTER 1 TON HOIST MC. PT. 2 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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