PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

297353PC13Washer,lock

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-262-3531 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-3531 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-3531. Primary manufacturer part number: 297353PC13.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.125 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Nondefinitive Spec/std Data: A CLASS AND 4 STYLE
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
  • Outside Diameter: 0.554 INCHES MAXIMUM IN
  • 8 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-262-3531, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-3531
Primary Part Number297353PC13
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Thickness0.125 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Nondefinitive Spec/std DataA CLASS AND 4 STYLE
Hole Diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
Outside Diameter0.554 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-050-2331 INTERCHANGEABLE
Washer,lock
5310-00-050-2342 INTERCHANGEABLE
Washer,lock
5310-00-209-5122 INTERCHANGEABLE
Washer,lock
5310-00-262-3522 INTERCHANGEABLE
Washer,lock
5310-00-721-7809 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
297353PC13 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
681948PC8 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
43W6133 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
425026PC4 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
273602PC20 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
12Z22PC288 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
600PT12Z3039-7 Naval Ordnance Standards (USA)
FFW84CLASSASTYLE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-050-2331INTERCHANGEABLE
WASHER,LOCK
5310-00-050-2342INTERCHANGEABLE
WASHER,LOCK
5310-00-209-5122INTERCHANGEABLE
WASHER,LOCK
5310-00-262-3522INTERCHANGEABLE
WASHER,LOCK
5310-00-721-7809INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-262-3531?

NSN 5310-00-262-3531 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 5310-00-262-3531?

NSN 5310-00-262-3531 has 8 cross-referenced part numbers: 297353PC13 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 681948PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43W6133 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 425026PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 273602PC20 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 3 more.

What NSN replaces 5310-00-262-3531?

There are 5 known substitutes for 5310-00-262-3531: 5310-00-050-2331, 5310-00-050-2342, 5310-00-209-5122 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 297353PC13?

Key specifications for 297353PC13: Material Thickness: 0.125 INCHES NOMINAL IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Nondefinitive Spec/std Data: A CLASS AND 4 STYLE; Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM 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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