PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58421Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-599-5909 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-599-5909 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-599-5909. Primary manufacturer part number: 58421.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.875 INCHES NOMINAL IN
  • Material: COPPER ALLOY 101 OVERALL
  • Material Document and Classification: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 101 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-599-5909, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-599-5909
Primary Part Number58421
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Overall Diameter0.875 INCHES NOMINAL IN
MaterialCOPPER ALLOY 101 OVERALL
Material Document and ClassificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Hole Diameter0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.021 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5365-00-580-191458421 INTERCHANGEABLE
Spacer,sleeve
Hdt Expeditionary Systems Inc
4720-00-922-5134100R1 TYAT-10 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
6695-01-210-4056 INTERCHANGEABLE
Transducer,motional Pickup
2520-01-211-3237217793 INTERCHANGEABLE
Differential,air Control Power
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
58421 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5365-00-580-1914INTERCHANGEABLE
SPACER,SLEEVE
58421
4720-00-922-5134INTERCHANGEABLE
HOSE,NONMETALLIC
100R1 TYAT-10
6695-01-210-4056INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
2520-01-211-3237INTERCHANGEABLE
DIFFERENTIAL,AIR CONTROL POWER
217793

Frequently Asked Questions

What is NSN 5310-00-599-5909?

NSN 5310-00-599-5909 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-599-5909?

NSN 5310-00-599-5909 has 1 cross-referenced part number: 58421 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-00-599-5909?

There are 4 known substitutes for 5310-00-599-5909: 5365-00-580-1914, 4720-00-922-5134, 6695-01-210-4056 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58421?

Key specifications for 58421: Overall Diameter: 0.875 INCHES NOMINAL IN; Material: COPPER ALLOY 101 OVERALL; Material Document and Classification: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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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