PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z3019-10Washer,lock

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-262-3564 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-3564 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-3564. Primary manufacturer part number: 12Z3019-10.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Outside Diameter: 0.557 INCHES NOMINAL IN
  • Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
  • Material Thickness: 0.125 INCHES NOMINAL IN
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Departure From Cited Designator: AS MODIFIED BY DIM.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-262-3564, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-3564
Primary Part Number12Z3019-10
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Outside Diameter0.557 INCHES NOMINAL IN
Hardness Rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Material Thickness0.125 INCHES NOMINAL IN
Hole Diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Departure From Cited DesignatorAS MODIFIED BY DIM.
Nondefinitive Spec/std DataC CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-262-3491158255PC56 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-262-3558158255PC46 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-262-3559 INTERCHANGEABLE
Washer,lock
5310-00-262-356212Z3019-9 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-262-3563 INTERCHANGEABLE
Washer,lock
5310-00-262-3570 INTERCHANGEABLE
Washer,lock
5310-00-595-7143 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
12Z3019-10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
345894PC229 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFW84CLASSC Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12Z3019-10 Naval Ordnance Standards (USA)
Related Parts
5310-00-262-3491INTERCHANGEABLE
WASHER,LOCK
158255PC56
5310-00-262-3558INTERCHANGEABLE
WASHER,LOCK
158255PC46
5310-00-262-3559INTERCHANGEABLE
WASHER,LOCK
5310-00-262-3562INTERCHANGEABLE
WASHER,LOCK
12Z3019-9
5310-00-262-3563INTERCHANGEABLE
WASHER,LOCK
5310-00-262-3570INTERCHANGEABLE
WASHER,LOCK
5310-00-595-7143INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-262-3564?

NSN 5310-00-262-3564 is a Washer,lock, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-262-3564?

NSN 5310-00-262-3564 has 4 cross-referenced part numbers: 12Z3019-10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 345894PC229 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFW84CLASSC (Federal Specifications Promulgated by General Services Administration Washington DC), 12Z3019-10 (Naval Ordnance Standards).

What NSN replaces 5310-00-262-3564?

There are 7 known substitutes for 5310-00-262-3564: 5310-00-262-3491, 5310-00-262-3558, 5310-00-262-3559 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z3019-10?

Key specifications for 12Z3019-10: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.557 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM; Material Thickness: 0.125 INCHES NOMINAL IN. 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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