PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-12091Washer,key

Unison Industries Llc · NSN 5310-00-093-5592 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-093-5592 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-093-5592. Primary manufacturer part number: 10-12091.
Features
  • Washer,key — FSC 5310
  • Overall Distance Including Keys: 0.562 INCHES NOMINAL IN
  • External Straight Key Width: 0.187 INCHES MAXIMUM IN
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Style Designator: KEY
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 0.437 INCHES NOMINAL IN
  • External Straight Key Length: 0.0625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-00-093-5592, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 8 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
NSN5310-00-093-5592
Primary Part Number10-12091
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Overall Distance Including Keys0.562 INCHES NOMINAL IN
External Straight Key Width0.187 INCHES MAXIMUM IN
Material Thickness0.031 INCHES NOMINAL IN
Style DesignatorKEY
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.437 INCHES NOMINAL IN
External Straight Key Length0.0625 INCHES NOMINAL IN
Hole Diameter0.203 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5995-00-188-4445 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5950-00-548-0491S6202-3226697 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
10-12091 PRIMARY Unison Industries Llc (USA)
10-12091 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
5995-00-188-4445INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5950-00-548-0491INTERCHANGEABLE
TRANSFORMER,POWER
S6202-3226697

Frequently Asked Questions

What is NSN 5310-00-093-5592?

NSN 5310-00-093-5592 is a Washer,key, manufactured by Unison Industries Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-093-5592?

NSN 5310-00-093-5592 has 2 cross-referenced part numbers: 10-12091 (Unison Industries Llc), 10-12091 (Amphenol Corp Div Amphenol Aerospace Operations).

What NSN replaces 5310-00-093-5592?

There are 2 known substitutes for 5310-00-093-5592: 5995-00-188-4445, 5950-00-548-0491. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-12091?

Key specifications for 10-12091: Overall Distance Including Keys: 0.562 INCHES NOMINAL IN; External Straight Key Width: 0.187 INCHES MAXIMUM IN; Material Thickness: 0.031 INCHES NOMINAL IN; Style Designator: KEY. 8 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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