PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C18Ratchet,wheel

Butterworth, Inc. · NSN 4940-00-399-2440 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-399-2440 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-399-2440. Primary manufacturer part number: C18.
Features
  • Ratchet,wheel — FSC 4940
  • 2 verified cross-references
  • Primary manufacturer: Butterworth, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Ratchet,wheel, cataloged under National Stock Number 4940-00-399-2440, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Butterworth, Inc.. This item has 2 commercial cross-references 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.

Catalog Facts
Item NameRatchet,wheel
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersButterworth, Inc. (CAGE 71251)
Technical Specifications
ParameterValue
NSN4940-00-399-2440
Primary Part NumberC18
Item NameRatchet,wheel
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerButterworth, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5220-00-056-5918J58 INTERCHANGEABLE
Gage,profile
Compair, Inc
5340-00-152-6141S3127Y-C018 INTERCHANGEABLE
Clamp,synchro
Designatronics Incorporated Div Sterling Instruments Div
5310-00-208-389547-631-149-1 INTERCHANGEABLE
Nut,plain,square
Textron Systems Corporation Dba Textron Systems Corp
3439-00-293-4716ED010098 INTERCHANGEABLE
Electrode,welding
Lincoln Electric Holdings Inc
4910-00-346-4314C18 INTERCHANGEABLE
Indicator,piston Position,igniti
Parker Hannifin Corp Dba Pneutronics
2940-00-378-97293892940-068000 INTERCHANGEABLE
Filter Element,fluid
Chief of Engineers Dept of Army
4130-00-394-3566C18 INTERCHANGEABLE
Filter-Drier,refrigerant
R S P Industries Inc
5315-00-420-9639 INTERCHANGEABLE
Pin,straight,headed
3040-00-424-7173C1-8 INTERCHANGEABLE
Collar,shaft
Roller Bearing Co of America, Inc Div Pic Design
6210-00-453-5737900954 INTERCHANGEABLE
Light,indicator
Wascomat of America Div of Bermil Industries Corp
Cross-Reference Index
Part NumberManufacturer
C18 PRIMARY Butterworth, Inc. (USA)
INC8PC24 Butterworth, Inc. (USA)
Related Parts
5220-00-056-5918INTERCHANGEABLE
GAGE,PROFILE
J58
5340-00-152-6141INTERCHANGEABLE
CLAMP,SYNCHRO
S3127Y-C018
5310-00-208-3895INTERCHANGEABLE
NUT,PLAIN,SQUARE
47-631-149-1
3439-00-293-4716INTERCHANGEABLE
ELECTRODE,WELDING
ED010098
4910-00-346-4314INTERCHANGEABLE
INDICATOR,PISTON POSITION,IGNITI
C18
2940-00-378-9729INTERCHANGEABLE
FILTER ELEMENT,FLUID
3892940-068000
4130-00-394-3566INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
C18
5315-00-420-9639INTERCHANGEABLE
PIN,STRAIGHT,HEADED
3040-00-424-7173INTERCHANGEABLE
COLLAR,SHAFT
C1-8
6210-00-453-5737INTERCHANGEABLE
LIGHT,INDICATOR
900954
3415-00-482-3113INTERCHANGEABLE
GRINDING MACHINE,SURFACE,RECIPRO
3456-00-640-3017INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
41385500 PC E18

Frequently Asked Questions

What is NSN 4940-00-399-2440?

NSN 4940-00-399-2440 is a Ratchet,wheel, manufactured by Butterworth, Inc., classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-399-2440?

NSN 4940-00-399-2440 has 2 cross-referenced part numbers: C18 (Butterworth, Inc.), INC8PC24 (Butterworth, Inc.).

What NSN replaces 4940-00-399-2440?

There are 12 known substitutes for 4940-00-399-2440: 5220-00-056-5918, 5340-00-152-6141, 5310-00-208-3895 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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