PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98466A011Washer,finishing

Mcmaster-Carr Supply Co · NSN 5310-01-338-8188 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-338-8188 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-338-8188. Primary manufacturer part number: 98466A011.
Features
  • Washer,finishing — FSC 5310
  • Outside Diameter: 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN
  • Style Designator: FINISHING
  • Material: STEEL CORROSION RESISTING OVERALL
  • Material Thickness: 0.014 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
  • Hole Diameter: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Mcmaster-Carr Supply Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,finishing, cataloged under National Stock Number 5310-01-338-8188, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5310-01-338-8188
Primary Part Number98466A011
Item NameWasher,finishing
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Outside Diameter0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN
Style DesignatorFINISHING
MaterialSTEEL CORROSION RESISTING OVERALL
Material Thickness0.014 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Hole Diameter0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-068-0510B1821BH038C100N INTERCHANGEABLE
Screw,cap,hexagon Head
American National Standards Institute Incorporated Dba American National Standards Institute
5985-01-166-27559137 INTERCHANGEABLE
Antenna
Viavi Solutionsllc
4820-01-418-65118905 INTERCHANGEABLE
Repair Kit,valve
Akron Brass Company
Cross-Reference Index
Part NumberManufacturer
9137 Astron Products Corp (USA)
98466A011 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
5305-00-068-0510INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
B1821BH038C100N
5985-01-166-2755INTERCHANGEABLE
ANTENNA
9137
4820-01-418-6511INTERCHANGEABLE
REPAIR KIT,VALVE
8905

Frequently Asked Questions

What is NSN 5310-01-338-8188?

NSN 5310-01-338-8188 is a Washer,finishing, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-338-8188?

NSN 5310-01-338-8188 has 2 cross-referenced part numbers: 9137 (Astron Products Corp), 98466A011 (Mcmaster-Carr Supply Co).

What NSN replaces 5310-01-338-8188?

There are 3 known substitutes for 5310-01-338-8188: 5305-00-068-0510, 5985-01-166-2755, 4820-01-418-6511. Verify interchangeability with system specifications before substitution.

What are the specifications of 98466A011?

Key specifications for 98466A011: Outside Diameter: 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN; Style Designator: FINISHING; Material: STEEL CORROSION RESISTING OVERALL; Overall Height: 0.102 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN. 6 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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