PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77473Washer,flat

Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems · NSN 5310-00-599-8220 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-8220 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-8220. Primary manufacturer part number: 77473.
Features
  • Washer,flat — FSC 5310
  • Material: ASBESTOS OVERALL
  • Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.172 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Asbestos Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-599-8220, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems. Government technical data includes 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-599-8220
Primary Part Number77473
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems
StatusACTIVE
MaterialASBESTOS OVERALL
Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.172 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-547-63425909 INTERCHANGEABLE
Hose Assembly,nonmetallic
Harold D Hard Co
5310-01-471-722577473 INTERCHANGEABLE
Washer,flat
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
77473 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
77473 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
4720-00-547-6342INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5909
5310-01-471-7225INTERCHANGEABLE
WASHER,FLAT
77473

Frequently Asked Questions

What is NSN 5310-00-599-8220?

NSN 5310-00-599-8220 is a Washer,flat, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-599-8220?

NSN 5310-00-599-8220 has 2 cross-referenced part numbers: 77473 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 77473 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 5310-00-599-8220?

There are 2 known substitutes for 5310-00-599-8220: 4720-00-547-6342, 5310-01-471-7225. Verify interchangeability with system specifications before substitution.

What are the specifications of 77473?

Key specifications for 77473: Material: ASBESTOS OVERALL; Thickness: 0.031 INCHES NOMINAL IN; Hole Diameter: 0.172 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 7 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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