PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40171Nut,self-Locking,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-549-7708 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-549-7708 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-549-7708. Primary manufacturer part number: 40171.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Class: 6H
  • Temp Rating: 121.0 CELSIUS MAXIMUM DEGC
  • Nut Style: HEXAGON
  • Thread Series: M
  • Width Across Flats: 17.7 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM
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 5310-01-549-7708, 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 12 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-549-7708
Primary Part Number40171
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusCANCELLED
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Thread Class6H
Temp Rating121.0 CELSIUS MAXIMUM DEGC
Nut StyleHEXAGON
Thread SeriesM
Width Across Flats17.7 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM
Nominal Thread Size12.0 MILLIMETERS MM
Bearing Surface TypeCHAMFERED
Nut Height11.5 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM MM
Thread Pitch in Millimeters1.75
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL EXCEPT INSERT
MaterialSTEEL LOCKING INSERT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5845-00-014-236844189 INTERCHANGEABLE
Azimuth Phase Shift
L3harris Technologies, Inc.
2520-00-164-545622851 INTERCHANGEABLE
Gear and Shaft
Eaton Corporation
5133-00-262-2167 INTERCHANGEABLE
Drill,twist
2825-00-438-2751 INTERCHANGEABLE
Trip Paddle
5330-00-839-2851BA3957 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5325-00-952-8837 INTERCHANGEABLE
Grommet,nonmetallic
6240-01-017-73224017 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5935-01-174-1235114017 INTERCHANGEABLE
Plug,end Seal,electrical Connect
Te Connectivity Corporation Dba Tyco Electronics Corporation Div Deutsch Products
5998-01-180-9336301006-1 INTERCHANGEABLE
Printed Circuit Board
Lockheed Martin Sippican, Inc. Div Lockheed Martin Marion
5330-01-224-806540168 INTERCHANGEABLE
Gasket
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
Cross-Reference Index
Part NumberManufacturer
40171 PRIMARY Fastenal Company Dba Fastenal Co (USA)
1140171 Fastenal Company Dba Fastenal Co (USA)
3001187 The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc (USA)
114017 Fastenal Company Dba Fastenal Co (USA)
3005993 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
3010061 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
3006687 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
44189 Barnes Group Inc. Dba Barnes Distribution (USA)
41756 Barnes Group Inc. Dba Barnes Distribution (USA)
3306760 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
12759-00369 Fastenal Company Dba Fastenal Co (USA)
MAS10017 Np Aerospace Limited (GBR)
Related Parts
5845-00-014-2368INTERCHANGEABLE
AZIMUTH PHASE SHIFT
44189
2520-00-164-5456INTERCHANGEABLE
GEAR AND SHAFT
22851
5133-00-262-2167INTERCHANGEABLE
DRILL,TWIST
2825-00-438-2751INTERCHANGEABLE
TRIP PADDLE
5330-00-839-2851INTERCHANGEABLE
GASKET
BA3957
5325-00-952-8837INTERCHANGEABLE
GROMMET,NONMETALLIC
6240-01-017-7322INTERCHANGEABLE
LAMP,INCANDESCENT
4017
5935-01-174-1235INTERCHANGEABLE
PLUG,END SEAL,ELECTRICAL CONNECT
114017
5998-01-180-9336INTERCHANGEABLE
PRINTED CIRCUIT BOARD
301006-1
5330-01-224-8065INTERCHANGEABLE
GASKET
40168
5950-01-256-1574INTERCHANGEABLE
TRANSFORMER,POWER
2901810-1
5935-01-395-0047INTERCHANGEABLE
PLUG,END SEAL,ELECTRICAL CONNECT

Frequently Asked Questions

What is NSN 5310-01-549-7708?

NSN 5310-01-549-7708 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-549-7708?

NSN 5310-01-549-7708 has 12 cross-referenced part numbers: 40171 (Fastenal Company Dba Fastenal Co), 1140171 (Fastenal Company Dba Fastenal Co), 3001187 (The Shyft Group Usa, Inc Dba the Shyft Group Usa, Inc), 114017 (Fastenal Company Dba Fastenal Co), 3005993 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp) and 7 more.

What NSN replaces 5310-01-549-7708?

There are 12 known substitutes for 5310-01-549-7708: 5845-00-014-2368, 2520-00-164-5456, 5133-00-262-2167 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40171?

Key specifications for 40171: Material: STEEL OVERALL; Thread Direction: RIGHT-HAND; Thread Class: 6H; End Item Identification: 2320-01-529-2251, TRUCK, BOMB SERVICE; MRAP - COUGAR. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-549-7708 still in active supply?

NSN 5310-01-549-7708 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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