PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

583398Washer,flat

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-608-6422 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-608-6422 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-608-6422. Primary manufacturer part number: 583398.
Features
  • Washer,flat — FSC 5310
  • Color: BLACK OVERALL
  • Material: STEEL COMP E4340 OVERALL
  • Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hole Diameter: 0.125 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.312 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-608-6422, 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 11 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
NSN5310-00-608-6422
Primary Part Number583398
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
ColorBLACK OVERALL
MaterialSTEEL COMP E4340 OVERALL
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter0.125 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.312 INCHES NOMINAL IN
Surface Treatment Document and ClassificationMIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Thickness0.022 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Surface TreatmentOXIDE FILM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5325-00-281-2925583398 INTERCHANGEABLE
Ring,retaining
U S Army Tank Automotive Command Amsta-Im-Mm
5325-00-514-0362 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
583398 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
583398 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
5325-00-281-2925INTERCHANGEABLE
RING,RETAINING
583398
5325-00-514-0362INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5310-00-608-6422?

NSN 5310-00-608-6422 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 5310-00-608-6422?

NSN 5310-00-608-6422 has 2 cross-referenced part numbers: 583398 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 583398 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-00-608-6422?

There are 2 known substitutes for 5310-00-608-6422: 5325-00-281-2925, 5325-00-514-0362. Verify interchangeability with system specifications before substitution.

What are the specifications of 583398?

Key specifications for 583398: Color: BLACK OVERALL; Material: STEEL COMP E4340 OVERALL; Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Hole Diameter: 0.125 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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