PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-30315Washer,flat

Rix Industries · NSN 5310-01-509-6339 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-509-6339 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-509-6339. Primary manufacturer part number: 20-30315.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 24.0 MILLIMETERS NOMINAL MM
  • Center Hole Shape Style: ROUND
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Hole Diameter: 13.0 MILLIMETERS NOMINAL MM
  • Cross-Sectional Shape Style: RECTANGULAR
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 5310-01-509-6339, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rix Industries. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-509-6339
Primary Part Number20-30315
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRix Industries
StatusACTIVE
Peripheral Shape StyleROUND
Overall Diameter24.0 MILLIMETERS NOMINAL MM
Center Hole Shape StyleROUND
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Hole Diameter13.0 MILLIMETERS NOMINAL MM
Cross-Sectional Shape StyleRECTANGULAR
Thickness2.5 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-533-5671L140125-12 INTERCHANGEABLE
Washer,flat
Bae Systems Information & Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
20-30315 PRIMARY Rix Industries (USA)
77-35290 ITEM 8 PRIMARY Rix Industries (USA)
91166A290 Mcmaster-Carr Supply Co (USA)
Related Parts
5310-01-533-5671INTERCHANGEABLE
WASHER,FLAT
L140125-12

Frequently Asked Questions

What is NSN 5310-01-509-6339?

NSN 5310-01-509-6339 is a Washer,flat, manufactured by Rix Industries, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-509-6339?

NSN 5310-01-509-6339 has 3 cross-referenced part numbers: 20-30315 (Rix Industries), 77-35290 ITEM 8 (Rix Industries), 91166A290 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-509-6339?

There is 1 known substitute for 5310-01-509-6339: 5310-01-533-5671. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-30315?

Key specifications for 20-30315: Peripheral Shape Style: ROUND; Overall Diameter: 24.0 MILLIMETERS NOMINAL MM; Center Hole Shape Style: ROUND; Material: STEEL OVERALL. 10 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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