PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

201313Washer,flat

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5310-00-350-6368 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-350-6368 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-350-6368. Primary manufacturer part number: 201313.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 3.668 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.090 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Hole Diameter: 1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM 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 5310-00-350-6368, 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 2 commercial cross-references 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
NSN5310-00-350-6368
Primary Part Number201313
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Overall Diameter3.668 INCHES NOMINAL IN
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.090 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Hole Diameter1.772 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5133-00-838-5254 INTERCHANGEABLE
Drill,twist
6110-01-142-37952E-30700-03 INTERCHANGEABLE
Contactor,magnetic
Star Manufacturing International Inc. Dba Lang Manufacturing Company
2835-01-337-5159201313 INTERCHANGEABLE
Seal,metallic,nonaircraft Gas Tu
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5310-01-650-8093201313 INTERCHANGEABLE
Nut,plain,hexagon
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
201313 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
A329240 CAGE 00000
Related Parts
5133-00-838-5254INTERCHANGEABLE
DRILL,TWIST
6110-01-142-3795INTERCHANGEABLE
CONTACTOR,MAGNETIC
2E-30700-03
2835-01-337-5159INTERCHANGEABLE
SEAL,METALLIC,NONAIRCRAFT GAS TU
201313
5310-01-650-8093INTERCHANGEABLE
NUT,PLAIN,HEXAGON
201313

Frequently Asked Questions

What is NSN 5310-00-350-6368?

NSN 5310-00-350-6368 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 5310-00-350-6368?

NSN 5310-00-350-6368 has 2 cross-referenced part numbers: 201313 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), A329240.

What NSN replaces 5310-00-350-6368?

There are 4 known substitutes for 5310-00-350-6368: 5133-00-838-5254, 6110-01-142-3795, 2835-01-337-5159 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 201313?

Key specifications for 201313: Overall Diameter: 3.668 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Material: STEEL OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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