PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78071Washer,lock

Fastenal Company Dba Fastenal Co · NSN 5310-01-588-2718 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-588-2718 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-588-2718. Primary manufacturer part number: 78071.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.869 INCHES MAXIMUM IN
  • Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.125 INCHES MINIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Fastenal Company Dba Fastenal Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-588-2718, 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 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-588-2718
Primary Part Number78071
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Outside Diameter0.869 INCHES MAXIMUM IN
Hole Diameter0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.125 INCHES MINIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4810-00-610-9571 INTERCHANGEABLE
Valve,solenoid
4470-00-781-6552 INTERCHANGEABLE
Lock,adjusting Bolt
Cross-Reference Index
Part NumberManufacturer
78071 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
4810-00-610-9571INTERCHANGEABLE
VALVE,SOLENOID
4470-00-781-6552INTERCHANGEABLE
LOCK,ADJUSTING BOLT

Frequently Asked Questions

What is NSN 5310-01-588-2718?

NSN 5310-01-588-2718 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-588-2718?

NSN 5310-01-588-2718 has 1 cross-referenced part number: 78071 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-588-2718?

There are 2 known substitutes for 5310-01-588-2718: 4810-00-610-9571, 4470-00-781-6552. Verify interchangeability with system specifications before substitution.

What are the specifications of 78071?

Key specifications for 78071: End Item Identification: 2355-01-575-9632 MINE RESISTANT VEHICLE; LOGISTICS SUPPORT VESSEL; Outside Diameter: 0.869 INCHES MAXIMUM IN; Hole Diameter: 0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: LOCK WASHER, MEDIUM-SPLIT. 7 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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