PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90-680Washer,flat

Prestolite Electric Inc · NSN 5310-00-930-4270 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-930-4270 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-930-4270. Primary manufacturer part number: 90-680.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.634 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Thickness: 0.095 INCHES NOMINAL IN
  • Overall Diameter: 1.193 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-930-4270, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 7 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
NSN5310-00-930-4270
Primary Part Number90-680
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Hole Diameter0.634 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Thickness0.095 INCHES NOMINAL IN
Overall Diameter1.193 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-132-341690680 INTERCHANGEABLE
Ball,bearing
Kalmar Solutions Ab
4810-01-305-1607 INTERCHANGEABLE
Repair Kit,solenoid Valve
5310-01-512-616012759-00286 INTERCHANGEABLE
Nut,self-Locking,hexagon
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
90-680 PRIMARY Prestolite Electric Inc (USA)
90-680 Prestolite Electric Inc (USA)
Related Parts
3110-00-132-3416INTERCHANGEABLE
BALL,BEARING
90680
4810-01-305-1607INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
5310-01-512-6160INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
12759-00286

Frequently Asked Questions

What is NSN 5310-00-930-4270?

NSN 5310-00-930-4270 is a Washer,flat, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-930-4270?

NSN 5310-00-930-4270 has 2 cross-referenced part numbers: 90-680 (Prestolite Electric Inc), 90-680 (Prestolite Electric Inc).

What NSN replaces 5310-00-930-4270?

There are 3 known substitutes for 5310-00-930-4270: 3110-00-132-3416, 4810-01-305-1607, 5310-01-512-6160. Verify interchangeability with system specifications before substitution.

What are the specifications of 90-680?

Key specifications for 90-680: Hole Diameter: 0.634 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND. 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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