PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP11393Washer,lock

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-262-3583 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-262-3583 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-262-3583. Primary manufacturer part number: SP11393.
Features
  • Washer,lock — FSC 5310
  • Nondefinitive Spec/std Data: 2 STYLE AND E CLASS
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hardness Rating: 90.0 ROCKWELL B MINIMUM
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Outside Diameter: 0.493 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
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 5310-00-262-3583, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-262-3583
Primary Part NumberSP11393
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Nondefinitive Spec/std Data2 STYLE AND E CLASS
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hardness Rating90.0 ROCKWELL B MINIMUM
Material Thickness0.062 INCHES NOMINAL IN
Outside Diameter0.493 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-194-7344 INTERCHANGEABLE
Washer,lock
5310-00-209-1219 INTERCHANGEABLE
Washer,lock
5310-00-209-606904S130504-10 INTERCHANGEABLE
Washer,lock
Herley Chicago Dba Stewart Warner Electronics
5310-00-264-1149 INTERCHANGEABLE
Washer,lock
5310-00-527-40319001491 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
5310-00-550-1675 INTERCHANGEABLE
Washer,lock
5310-00-591-341224-00006-029 INTERCHANGEABLE
Washer,lock
Raytheon Company
5310-00-596-7689 INTERCHANGEABLE
Washer,lock
Cross-Reference Index
Part NumberManufacturer
SP11393 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFW84CLASSESTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
79988PC7 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-194-7344INTERCHANGEABLE
WASHER,LOCK
5310-00-209-1219INTERCHANGEABLE
WASHER,LOCK
5310-00-209-6069INTERCHANGEABLE
WASHER,LOCK
04S130504-10
5310-00-264-1149INTERCHANGEABLE
WASHER,LOCK
5310-00-527-4031INTERCHANGEABLE
WASHER,LOCK
9001491
5310-00-550-1675INTERCHANGEABLE
WASHER,LOCK
5310-00-591-3412INTERCHANGEABLE
WASHER,LOCK
24-00006-029
5310-00-596-7689INTERCHANGEABLE
WASHER,LOCK

Frequently Asked Questions

What is NSN 5310-00-262-3583?

NSN 5310-00-262-3583 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 5310-00-262-3583?

NSN 5310-00-262-3583 has 3 cross-referenced part numbers: SP11393 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFW84CLASSESTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC), 79988PC7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5310-00-262-3583?

There are 8 known substitutes for 5310-00-262-3583: 5310-00-194-7344, 5310-00-209-1219, 5310-00-209-6069 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SP11393?

Key specifications for SP11393: Nondefinitive Spec/std Data: 2 STYLE AND E CLASS; Style Designator: SPLIT HELICAL-RIGHT HAND; Hardness Rating: 90.0 ROCKWELL B MINIMUM; Material Thickness: 0.062 INCHES NOMINAL IN. 7 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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