PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-4093Washer,flat

Teledyne Industries Inc Teledyne Power Systems Div · NSN 5310-00-090-0406 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-090-0406 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-090-0406. Primary manufacturer part number: 10-4093.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.781 INCHES NOMINAL IN
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Surface Treatment: CADMIUM OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
  • Thickness: 0.100 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,flat, cataloged under National Stock Number 5310-00-090-0406, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Power Systems Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5310-00-090-0406
Primary Part Number10-4093
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Power Systems Div
StatusACTIVE
Overall Diameter0.781 INCHES NOMINAL IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Surface TreatmentCADMIUM OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
Thickness0.100 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL COMP 1010 OVERALL
Hole Diameter0.391 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-351-4252104093 INTERCHANGEABLE
Gear,worm
Viking Technologies, Ltd.
5940-00-549-444410-409-3 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5305-00-814-4847104093 INTERCHANGEABLE
Screw,machine
L3harris Technologies, Inc. Dba Harris Corporation
Cross-Reference Index
Part NumberManufacturer
10-4093 Teledyne Industries Inc Teledyne Power Systems Div (USA)
5310H23-007 Us Army Aviation and Missile Command (USA)
10-4093 Unison Industries Llc (USA)
10-4093 Amphenol Corp Div Amphenol Aerospace Operations (USA)
Related Parts
3020-00-351-4252INTERCHANGEABLE
GEAR,WORM
104093
5940-00-549-4444INTERCHANGEABLE
TERMINAL,STUD
10-409-3
5305-00-814-4847INTERCHANGEABLE
SCREW,MACHINE
104093

Frequently Asked Questions

What is NSN 5310-00-090-0406?

NSN 5310-00-090-0406 is a Washer,flat, manufactured by Teledyne Industries Inc Teledyne Power Systems Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-090-0406?

NSN 5310-00-090-0406 has 4 cross-referenced part numbers: 10-4093 (Teledyne Industries Inc Teledyne Power Systems Div), 5310H23-007 (Us Army Aviation and Missile Command), 10-4093 (Unison Industries Llc), 10-4093 (Amphenol Corp Div Amphenol Aerospace Operations).

What NSN replaces 5310-00-090-0406?

There are 3 known substitutes for 5310-00-090-0406: 3020-00-351-4252, 5940-00-549-4444, 5305-00-814-4847. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-4093?

Key specifications for 10-4093: Overall Diameter: 0.781 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Peripheral Shape Style: ROUND. 10 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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