PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201314Washer,flat

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5310-00-350-5719 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-350-5719 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-350-5719. Primary manufacturer part number: 201314.
Features
  • Washer,flat — FSC 5310
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Features Provided: CASEHARDENED
  • Overall Diameter: 3.688 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Thickness: 0.090 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 5310-00-350-5719, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-350-5719
Primary Part Number201314
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Features ProvidedCASEHARDENED
Overall Diameter3.688 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Thickness0.090 INCHES NOMINAL IN
Hole Diameter2.255 INCHES MINIMUM AND 2.265 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-680-7655201314 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Div Aerospace - Torrance
5133-00-838-5256 INTERCHANGEABLE
Drill,twist
5133-00-988-5703C70015 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
5310-01-690-1407201314 INTERCHANGEABLE
Nut,plain,hexagon
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
201314 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5310-00-680-7655INTERCHANGEABLE
WASHER,FLAT
201314
5133-00-838-5256INTERCHANGEABLE
DRILL,TWIST
5133-00-988-5703INTERCHANGEABLE
DRILL,TWIST
C70015
5310-01-690-1407INTERCHANGEABLE
NUT,PLAIN,HEXAGON
201314

Frequently Asked Questions

What is NSN 5310-00-350-5719?

NSN 5310-00-350-5719 is a Washer,flat, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-350-5719?

NSN 5310-00-350-5719 has 1 cross-referenced part number: 201314 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 5310-00-350-5719?

There are 4 known substitutes for 5310-00-350-5719: 5310-00-680-7655, 5133-00-838-5256, 5133-00-988-5703 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 201314?

Key specifications for 201314: Material: STEEL OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Features Provided: CASEHARDENED; Overall Diameter: 3.688 INCHES NOMINAL IN. 8 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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