PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

493704PC110Washer,lock

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-264-1149 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-1149 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-1149. Primary manufacturer part number: 493704PC110.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.2992 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Hardness Rating: 90.0 ROCKWELL B MINIMUM
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: E CLASS AND 2 STYLE
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 5310-00-264-1149, 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 9 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-264-1149
Primary Part Number493704PC110
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Outside Diameter0.2992 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.031 INCHES NOMINAL IN
Hardness Rating90.0 ROCKWELL B MINIMUM
Hole Diameter0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
Nondefinitive Spec/std DataE CLASS AND 2 STYLE
Material Document and ClassificationQQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Departure From Cited DesignatorAS MODIFIED BY OD
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
5310-00-262-358379988PC7 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
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
493704PC110 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFW84CLASSESTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-194-7344INTERCHANGEABLE
WASHER,LOCK
5310-00-209-1219INTERCHANGEABLE
WASHER,LOCK
5310-00-209-6069INTERCHANGEABLE
WASHER,LOCK
04S130504-10
5310-00-262-3583INTERCHANGEABLE
WASHER,LOCK
79988PC7
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 5310-00-264-1149?

NSN 5310-00-264-1149 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 5310-00-264-1149?

NSN 5310-00-264-1149 has 2 cross-referenced part numbers: 493704PC110 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFW84CLASSESTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-264-1149?

There are 8 known substitutes for 5310-00-264-1149: 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 493704PC110?

Key specifications for 493704PC110: Outside Diameter: 0.2992 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.031 INCHES NOMINAL IN. 9 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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