PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C16Crank and Pawl Asse

Butterworth, Inc. · NSN 4940-00-399-2439 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-399-2439 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-399-2439. Primary manufacturer part number: C16.
Features
  • Crank and Pawl Asse — FSC 4940
  • 2 verified cross-references
  • Primary manufacturer: Butterworth, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Crank and Pawl Asse, cataloged under National Stock Number 4940-00-399-2439, 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 NameCrank and Pawl Asse
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersButterworth, Inc. (CAGE 71251)
Technical Specifications
ParameterValue
NSN4940-00-399-2439
Primary Part NumberC16
Item NameCrank and Pawl Asse
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerButterworth, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0223377 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3455-00-236-2087C16 INTERCHANGEABLE
Cutter,milling,convex
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3040-00-417-2546C1-6 INTERCHANGEABLE
Collar,shaft
Roller Bearing Co of America, Inc Div Pic Design
4320-00-451-7965 INTERCHANGEABLE
Stuffing Gland Box
5999-00-474-5394 INTERCHANGEABLE
Clip,electrical
5930-00-549-0358 INTERCHANGEABLE
Switch,thermostatic
5360-00-597-8953 INTERCHANGEABLE
Spring,helical,compression
6850-00-598-73111186 INTERCHANGEABLE
Leak Preventive Compound,radiato
Bar's Products Inc Dba Bar's Leak Inc
5340-00-682-2119 INTERCHANGEABLE
Cap,protective,dust and Moisture
3110-00-827-8648L44610 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
Cross-Reference Index
Part NumberManufacturer
C16 PRIMARY Butterworth, Inc. (USA)
INC8PC17 Butterworth, Inc. (USA)
Related Parts
3110-00-100-0223INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
377
3455-00-236-2087INTERCHANGEABLE
CUTTER,MILLING,CONVEX
C16
3040-00-417-2546INTERCHANGEABLE
COLLAR,SHAFT
C1-6
4320-00-451-7965INTERCHANGEABLE
STUFFING GLAND BOX
5999-00-474-5394INTERCHANGEABLE
CLIP,ELECTRICAL
5930-00-549-0358INTERCHANGEABLE
SWITCH,THERMOSTATIC
5360-00-597-8953INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6850-00-598-7311INTERCHANGEABLE
LEAK PREVENTIVE COMPOUND,RADIATO
1186
5340-00-682-2119INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
3110-00-827-8648INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
L44610
6850-01-085-1423INTERCHANGEABLE
CARBON REMOVING COMPOUND
2+2 GUMCUTTER B101
5110-01-116-1037INTERCHANGEABLE
CHISEL,COLD,HAND
C-16

Frequently Asked Questions

What is NSN 4940-00-399-2439?

NSN 4940-00-399-2439 is a Crank and Pawl Asse, manufactured by Butterworth, Inc., classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-399-2439?

NSN 4940-00-399-2439 has 2 cross-referenced part numbers: C16 (Butterworth, Inc.), INC8PC17 (Butterworth, Inc.).

What NSN replaces 4940-00-399-2439?

There are 12 known substitutes for 4940-00-399-2439: 3110-00-100-0223, 3455-00-236-2087, 3040-00-417-2546 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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