PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53166Washer,lock

Brunswick Corp Mercury Marine Div Government Sales · NSN 5310-01-580-0208 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-580-0208 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-580-0208. Primary manufacturer part number: 53166.
Features
  • Washer,lock — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Brunswick Corp Mercury Marine Div Government Sales
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-580-0208, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brunswick Corp Mercury Marine Div Government Sales. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-580-0208
Primary Part Number53166
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrunswick Corp Mercury Marine Div Government Sales
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5841-00-090-678553-166 INTERCHANGEABLE
Collar
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5133-00-228-135114730 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
5342-00-392-7905SM-B-157409 INTERCHANGEABLE
Clip
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2510-00-426-9832 INTERCHANGEABLE
Hanger,spring
5315-00-897-891753166 INTERCHANGEABLE
Pin,straight,headless
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
53166 PRIMARY Brunswick Corp Mercury Marine Div Government Sales (USA)
Related Parts
5841-00-090-6785INTERCHANGEABLE
COLLAR
53-166
5133-00-228-1351INTERCHANGEABLE
DRILL,TWIST
14730
5342-00-392-7905INTERCHANGEABLE
CLIP
SM-B-157409
2510-00-426-9832INTERCHANGEABLE
HANGER,SPRING
5315-00-897-8917INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
53166

Frequently Asked Questions

What is NSN 5310-01-580-0208?

NSN 5310-01-580-0208 is a Washer,lock, manufactured by Brunswick Corp Mercury Marine Div Government Sales, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-580-0208?

NSN 5310-01-580-0208 has 1 cross-referenced part number: 53166 (Brunswick Corp Mercury Marine Div Government Sales).

What NSN replaces 5310-01-580-0208?

There are 5 known substitutes for 5310-01-580-0208: 5841-00-090-6785, 5133-00-228-1351, 5342-00-392-7905 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53166?

Key specifications for 53166: Part Name Assigned by Controlling Agency: LOCKWASHER (312). 1 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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