PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40187Nut,self-Locking,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-600-4093 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-600-4093 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-600-4093. Primary manufacturer part number: 40187.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Bearing Surface Type: FLAT
  • Thread Direction: RIGHT-HAND
  • Thread Class: 6H
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Series: M
  • Nut Height: 19.4 MILLIMETERS NOMINAL MM
  • Temp Rating: 200.0 CELSIUS MAXIMUM DEGC
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-600-4093, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-600-4093
Primary Part Number40187
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Bearing Surface TypeFLAT
Thread DirectionRIGHT-HAND
Thread Class6H
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread SeriesM
Nut Height19.4 MILLIMETERS NOMINAL MM
Temp Rating200.0 CELSIUS MAXIMUM DEGC
Nominal Thread Size20.0 MILLIMETERS MM
Nut StyleHEXAGON
Thread Pitch in Millimeters2.5
Hardness Rating40.0 ROCKWELL A NOMINAL
Width Across Flats29.6 MILLIMETERS NOMINAL MM
Surface TreatmentZINC OVERALL
Material Document and ClassificationDIN985 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5342-00-042-8867 INTERCHANGEABLE
Latch,teletypewriter
4310-00-295-768146214 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
2815-00-716-4665 INTERCHANGEABLE
Ring Set,piston
5935-00-987-354640-81S3E0120 INTERCHANGEABLE
Connector Body,receptacle,electr
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4320-01-266-13631000927 INTERCHANGEABLE
Pump,rotary
Concentric Rockford Inc
5360-01-284-934540187 INTERCHANGEABLE
Spring,helical,compression
Moog Military Aircraft Llc
5365-01-618-06491000927 INTERCHANGEABLE
Spacer,straight
Drs Network & Imaging Systems Llc
Cross-Reference Index
Part NumberManufacturer
1000927 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
40187 PRIMARY Fastenal Company Dba Fastenal Co (USA)
12759-01316 Fastenal Company Dba Fastenal Co (USA)
Related Parts
5342-00-042-8867INTERCHANGEABLE
LATCH,TELETYPEWRITER
4310-00-295-7681INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46214
2815-00-716-4665INTERCHANGEABLE
RING SET,PISTON
5935-00-987-3546INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
40-81S3E0120
4320-01-266-1363INTERCHANGEABLE
PUMP,ROTARY
1000927
5360-01-284-9345INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40187
5365-01-618-0649INTERCHANGEABLE
SPACER,STRAIGHT
1000927

Frequently Asked Questions

What is NSN 5310-01-600-4093?

NSN 5310-01-600-4093 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-600-4093?

NSN 5310-01-600-4093 has 3 cross-referenced part numbers: 1000927 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 40187 (Fastenal Company Dba Fastenal Co), 12759-01316 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-600-4093?

There are 7 known substitutes for 5310-01-600-4093: 5342-00-042-8867, 4310-00-295-7681, 2815-00-716-4665 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40187?

Key specifications for 40187: Bearing Surface Type: FLAT; Thread Direction: RIGHT-HAND; Thread Class: 6H; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. 16 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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