PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

188595Washer,flat

Honeywell International Inc Div Aerospace-South Bend (bendix Dr) · NSN 5310-00-637-2240 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-637-2240 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-637-2240. Primary manufacturer part number: 188595.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 410 OVERALL
  • Surface Treatment: OXIDE FILM OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
  • Hole Diameter: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-637-2240, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-637-2240
Primary Part Number188595
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International Inc Div Aerospace-South Bend (bendix Dr)
StatusACTIVE
Center Hole Shape StyleROUND
Material Document and ClassificationAMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 410 OVERALL
Surface TreatmentOXIDE FILM OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN
Hole Diameter0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
Thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Hardness Rating35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-200-211122049B INTERCHANGEABLE
Gear,helical
Brinkley Technology Group Llc Dba Hercules Manufacturing
3120-01-314-684318859-5 INTERCHANGEABLE
Bearing,sleeve
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
188595 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
3020-00-200-2111INTERCHANGEABLE
GEAR,HELICAL
22049B
3120-01-314-6843INTERCHANGEABLE
BEARING,SLEEVE
18859-5

Frequently Asked Questions

What is NSN 5310-00-637-2240?

NSN 5310-00-637-2240 is a Washer,flat, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-637-2240?

NSN 5310-00-637-2240 has 1 cross-referenced part number: 188595 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).

What NSN replaces 5310-00-637-2240?

There are 2 known substitutes for 5310-00-637-2240: 3020-00-200-2111, 3120-01-314-6843. Verify interchangeability with system specifications before substitution.

What are the specifications of 188595?

Key specifications for 188595: Center Hole Shape Style: ROUND; Material Document and Classification: AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 410 OVERALL; Surface Treatment: OXIDE FILM 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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