PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1569AWasher,lock

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5310-00-400-3495 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-400-3495 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-400-3495. Primary manufacturer part number: 1569A.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Material Thickness: 0.235 INCHES NOMINAL IN
  • Hole Diameter: 1.165 INCHES NOMINAL IN
  • Outside Diameter: 1.804 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • 2 verified cross-references
  • Primary manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-400-3495, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 5 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-400-3495
Primary Part Number1569A
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
MaterialSTEEL OVERALL
Material Thickness0.235 INCHES NOMINAL IN
Hole Diameter1.165 INCHES NOMINAL IN
Outside Diameter1.804 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5895-00-225-9589 INTERCHANGEABLE
Amplifier-Power Supply
Cross-Reference Index
Part NumberManufacturer
1569A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
1569A Hercules Engine Co Inc (USA)
Related Parts
5895-00-225-9589INTERCHANGEABLE
AMPLIFIER-POWER SUPPLY

Frequently Asked Questions

What is NSN 5310-00-400-3495?

NSN 5310-00-400-3495 is a Washer,lock, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-400-3495?

NSN 5310-00-400-3495 has 2 cross-referenced part numbers: 1569A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 1569A (Hercules Engine Co Inc).

What NSN replaces 5310-00-400-3495?

There is 1 known substitute for 5310-00-400-3495: 5895-00-225-9589. Verify interchangeability with system specifications before substitution.

What are the specifications of 1569A?

Key specifications for 1569A: Material: STEEL OVERALL; Material Thickness: 0.235 INCHES NOMINAL IN; Hole Diameter: 1.165 INCHES NOMINAL IN; Outside Diameter: 1.804 INCHES NOMINAL IN. 5 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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