PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z3010-8Washer,lock

Naval Ordnance Standards · NSN 5310-00-274-8669 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-274-8669 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-274-8669. Primary manufacturer part number: 12Z3010-8.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.692 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.375 INCHES NOMINAL IN
  • Material Thickness: 0.036 INCHES NOMINAL IN
  • Surface Treatment: TIN OVERALL
  • 5 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-274-8669, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ordnance Standards. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5310-00-274-8669
Primary Part Number12Z3010-8
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ordnance Standards
StatusACTIVE
Outside Diameter0.692 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.375 INCHES NOMINAL IN
Material Thickness0.036 INCHES NOMINAL IN
Surface TreatmentTIN OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-209-2028 INTERCHANGEABLE
Washer,lock
5310-00-261-7302 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
12Z3010-8 Naval Ordnance Standards (USA)
AN936A616B Aeronautical Standards Group Dept of Navy and Air Force (USA)
12Z3010-8 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS35333-93 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A18041-20 Honeywell International Inc Dba Honeywell (USA)
Related Parts
5310-00-209-2028INTERCHANGEABLE
WASHER,LOCK
5310-00-261-7302INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-274-8669?

NSN 5310-00-274-8669 is a Washer,lock, manufactured by Naval Ordnance Standards, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-274-8669?

NSN 5310-00-274-8669 has 5 cross-referenced part numbers: 12Z3010-8 (Naval Ordnance Standards), AN936A616B (Aeronautical Standards Group Dept of Navy and Air Force), 12Z3010-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS35333-93 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A18041-20 (Honeywell International Inc Dba Honeywell).

What NSN replaces 5310-00-274-8669?

There are 2 known substitutes for 5310-00-274-8669: 5310-00-209-2028, 5310-00-261-7302. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z3010-8?

Key specifications for 12Z3010-8: Outside Diameter: 0.692 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH; Material: COPPER ALLOY OVERALL; Hole Diameter: 0.375 INCHES NOMINAL IN. 6 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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