PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81830Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-680-7165 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-680-7165 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-680-7165. Primary manufacturer part number: 81830.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 2.000 INCHES NOMINAL IN
  • Material: LEAD OVERALL
  • Hole Diameter: 0.562 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.100 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Lead Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-680-7165, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-680-7165
Primary Part Number81830
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusCANCELLED
Peripheral Shape StyleROUND
Overall Diameter2.000 INCHES NOMINAL IN
MaterialLEAD OVERALL
Hole Diameter0.562 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5133-00-894-5611 INTERCHANGEABLE
Drill,twist
2530-01-423-179081830 INTERCHANGEABLE
Adapter,brake Valve
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
81830 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5133-00-894-5611INTERCHANGEABLE
DRILL,TWIST
2530-01-423-1790INTERCHANGEABLE
ADAPTER,BRAKE VALVE
81830

Frequently Asked Questions

What is NSN 5310-00-680-7165?

NSN 5310-00-680-7165 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-680-7165?

NSN 5310-00-680-7165 has 1 cross-referenced part number: 81830 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-00-680-7165?

There are 2 known substitutes for 5310-00-680-7165: 5133-00-894-5611, 2530-01-423-1790. Verify interchangeability with system specifications before substitution.

What are the specifications of 81830?

Key specifications for 81830: Peripheral Shape Style: ROUND; Overall Diameter: 2.000 INCHES NOMINAL IN; Material: LEAD OVERALL; Hole Diameter: 0.562 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-680-7165 still in active supply?

NSN 5310-00-680-7165 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.
PartsTable Design LLC · partstable.com