PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125017Nut,self-Locking,wing

Cummins Inc. · NSN 5310-00-186-9341 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-186-9341 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-186-9341. Primary manufacturer part number: 125017.
Features
  • Nut,self-Locking,wing — FSC 5310
  • Material: PLASTIC LOCKING INSERT
  • Thread Quantity Per Inch: 20
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Nut Style: WING
  • Nominal Thread Size: 0.250 INCHES IN
  • Body Diameter: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Locking Insert construction
General Description

The Nut,self-Locking,wing, cataloged under National Stock Number 5310-00-186-9341, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-186-9341
Primary Part Number125017
Item NameNut,self-Locking,wing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
MaterialPLASTIC LOCKING INSERT
Thread Quantity Per Inch20
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nut StyleWING
Nominal Thread Size0.250 INCHES IN
Body Diameter0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Wing Spread Width1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3B
MaterialSTEEL OVERALL EXCEPT INSERT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6105-00-078-2558125-017 INTERCHANGEABLE
Motor-Tachometer Generator
Mpc Products Corporation Dba Woodward Mpc, Inc.
5340-00-168-72731.250-17 INTERCHANGEABLE
Cap,protective,dust and Moisture
Sinclair & Rush, Inc. Dba Sinclair & Rush Inc
5310-00-185-6460 INTERCHANGEABLE
Nut,plain,round
5330-00-420-5856125017 INTERCHANGEABLE
Packing,preformed
Thermo Power Corp Engine Div
Cross-Reference Index
Part NumberManufacturer
125017 Cummins Inc. (USA)
Related Parts
6105-00-078-2558INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
125-017
5340-00-168-7273INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
1.250-17
5310-00-185-6460INTERCHANGEABLE
NUT,PLAIN,ROUND
5330-00-420-5856INTERCHANGEABLE
PACKING,PREFORMED
125017

Frequently Asked Questions

What is NSN 5310-00-186-9341?

NSN 5310-00-186-9341 is a Nut,self-Locking,wing, manufactured by Cummins Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-186-9341?

NSN 5310-00-186-9341 has 1 cross-referenced part number: 125017 (Cummins Inc.).

What NSN replaces 5310-00-186-9341?

There are 4 known substitutes for 5310-00-186-9341: 6105-00-078-2558, 5340-00-168-7273, 5310-00-185-6460 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125017?

Key specifications for 125017: Material: PLASTIC LOCKING INSERT; Thread Quantity Per Inch: 20; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Nut Style: WING. 12 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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