PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

92778Washer,lock

Briggs and Stratton Corp · NSN 5310-00-261-6191 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-261-6191 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-261-6191. Primary manufacturer part number: 92778.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Style Designator: FLAT EXTERNAL AND INTERNAL TEETH
  • Material Thickness: 0.035 INCHES NOMINAL IN
  • Hole Diameter: 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-261-6191, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Briggs and Stratton Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-261-6191
Primary Part Number92778
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBriggs and Stratton Corp
StatusCANCELLED
Outside Diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Style DesignatorFLAT EXTERNAL AND INTERNAL TEETH
Material Thickness0.035 INCHES NOMINAL IN
Hole Diameter0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-017-4916174916 INTERCHANGEABLE
Washer,lock
Borgwarner Pds (anderson), L.l.c.
4810-00-268-133392778 INTERCHANGEABLE
Valve,solenoid
Triumph Engine Control Systems Llc
5945-00-422-5274580R875H01 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
92778 PRIMARY Briggs and Stratton Corp (USA)
JHP13-198 Hollingsworth John R Co (USA)
4014-22-00 Itw Shakeproof Automotive Products (USA)
Related Parts
5310-00-017-4916INTERCHANGEABLE
WASHER,LOCK
174916
4810-00-268-1333INTERCHANGEABLE
VALVE,SOLENOID
92778
5945-00-422-5274INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
580R875H01

Frequently Asked Questions

What is NSN 5310-00-261-6191?

NSN 5310-00-261-6191 is a Washer,lock, manufactured by Briggs and Stratton Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-261-6191?

NSN 5310-00-261-6191 has 3 cross-referenced part numbers: 92778 (Briggs and Stratton Corp), JHP13-198 (Hollingsworth John R Co), 4014-22-00 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-261-6191?

There are 3 known substitutes for 5310-00-261-6191: 5310-00-017-4916, 4810-00-268-1333, 5945-00-422-5274. Verify interchangeability with system specifications before substitution.

What are the specifications of 92778?

Key specifications for 92778: Outside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Style Designator: FLAT EXTERNAL AND INTERNAL TEETH; Material Thickness: 0.035 INCHES NOMINAL IN; Hole Diameter: 0.256 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-261-6191 still in active supply?

NSN 5310-00-261-6191 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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