PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98019A160Washer,flat

Mcmaster-Carr Supply Co · NSN 5310-01-482-9231 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-482-9231 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-482-9231. Primary manufacturer part number: 98019A160.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material: STEEL CORROSION RESISTING OVERALL
  • Overall Diameter: 0.734 INCHES NOMINAL IN
  • Material Document and Classification: AMS15795 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.312 INCHES NOMINAL IN
  • Hardness Rating: 270.0 ROCKWELL B NOMINAL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-482-9231, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-482-9231
Primary Part Number98019A160
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Peripheral Shape StyleROUND
MaterialSTEEL CORROSION RESISTING OVERALL
Overall Diameter0.734 INCHES NOMINAL IN
Material Document and ClassificationAMS15795 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.312 INCHES NOMINAL IN
Hardness Rating270.0 ROCKWELL B NOMINAL
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-880-5977MS15795-811 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
98019A160 PRIMARY Mcmaster-Carr Supply Co (USA)
98019A160 Mcmaster-Carr Supply Co (USA)
Related Parts
5310-00-880-5977INTERCHANGEABLE
WASHER,FLAT
MS15795-811

Frequently Asked Questions

What is NSN 5310-01-482-9231?

NSN 5310-01-482-9231 is a Washer,flat, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-482-9231?

NSN 5310-01-482-9231 has 2 cross-referenced part numbers: 98019A160 (Mcmaster-Carr Supply Co), 98019A160 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-482-9231?

There is 1 known substitute for 5310-01-482-9231: 5310-00-880-5977. Verify interchangeability with system specifications before substitution.

What are the specifications of 98019A160?

Key specifications for 98019A160: Peripheral Shape Style: ROUND; Material: STEEL CORROSION RESISTING OVERALL; End Item Identification: 5855014759442; Overall Diameter: 0.734 INCHES NOMINAL IN. 11 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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