PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

870539Washer,flat

Eaton Aerospace, Llc Dba Jackson South · NSN 5310-01-246-5785 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-246-5785 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-246-5785. Primary manufacturer part number: 870539.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.531 INCHES NOMINAL IN
  • Thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 1.062 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-246-5785, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-246-5785
Primary Part Number870539
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Center Hole Shape StyleROUND
Hole Diameter0.531 INCHES NOMINAL IN
Thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter1.062 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6240-00-635-9754 INTERCHANGEABLE
Lamp,glow
5310-01-097-7814870539 INTERCHANGEABLE
Washer,flat
David Brown Hydraulics Inc Dba Hydreco
5940-01-648-48477A20710 REV A FIND NO 168 INTERCHANGEABLE
Terminal Board
Federal Equipment Co
Cross-Reference Index
Part NumberManufacturer
870539 Eaton Aerospace, Llc Dba Jackson South (USA)
870539 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6240-00-635-9754INTERCHANGEABLE
LAMP,GLOW
5310-01-097-7814INTERCHANGEABLE
WASHER,FLAT
870539
5940-01-648-4847INTERCHANGEABLE
TERMINAL BOARD
7A20710 REV A FIND NO 168

Frequently Asked Questions

What is NSN 5310-01-246-5785?

NSN 5310-01-246-5785 is a Washer,flat, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-246-5785?

NSN 5310-01-246-5785 has 2 cross-referenced part numbers: 870539 (Eaton Aerospace, Llc Dba Jackson South), 870539 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5310-01-246-5785?

There are 3 known substitutes for 5310-01-246-5785: 6240-00-635-9754, 5310-01-097-7814, 5940-01-648-4847. Verify interchangeability with system specifications before substitution.

What are the specifications of 870539?

Key specifications for 870539: Center Hole Shape Style: ROUND; Hole Diameter: 0.531 INCHES NOMINAL IN; Thickness: 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR. 6 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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