PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y592Washer,key

Eaton Corporation · NSN 5310-00-383-9712 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-383-9712 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-383-9712. Primary manufacturer part number: Y592.
Features
  • Washer,key — FSC 5310
  • External Straight Key Width: 0.3125 INCHES MAXIMUM IN
  • Style Designator: KEY
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1010 OVERALL
  • Hole Diameter: 0.8906 INCHES NOMINAL IN
  • Material Thickness: 0.078 INCHES NOMINAL IN
  • Outside Diameter: 1.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-383-9712, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corporation. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-383-9712
Primary Part NumberY592
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Corporation
StatusACTIVE
External Straight Key Width0.3125 INCHES MAXIMUM IN
Style DesignatorKEY
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1010 OVERALL
Hole Diameter0.8906 INCHES NOMINAL IN
Material Thickness0.078 INCHES NOMINAL IN
Outside Diameter1.500 INCHES NOMINAL IN
External Key Quantity8
Internal Prebent Key Length0.250 INCHES NOMINAL IN
Overall Distance Including Keys1.875 INCHES NOMINAL IN
Internal Prebent Key Width0.2343 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-353-72786167596 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
8455-01-528-8873 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-664-3019 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1681 Mitsubishi Caterpillar Forklift America, Inc (USA)
Y592 PRIMARY Eaton Corporation (USA)
Related Parts
3120-00-353-7278INTERCHANGEABLE
BEARING,SLEEVE
6167596
8455-01-528-8873INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-664-3019INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5310-00-383-9712?

NSN 5310-00-383-9712 is a Washer,key, manufactured by Eaton Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-383-9712?

NSN 5310-00-383-9712 has 2 cross-referenced part numbers: A1681 (Mitsubishi Caterpillar Forklift America, Inc), Y592 (Eaton Corporation).

What NSN replaces 5310-00-383-9712?

There are 3 known substitutes for 5310-00-383-9712: 3120-00-353-7278, 8455-01-528-8873, 8455-01-664-3019. Verify interchangeability with system specifications before substitution.

What are the specifications of Y592?

Key specifications for Y592: External Straight Key Width: 0.3125 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1010 OVERALL. 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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