PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2635Washer,lock

Wico-Prestolite Co the Div of Eltra Corp · NSN 5310-00-740-2853 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-740-2853 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-740-2853. Primary manufacturer part number: 2635.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Material: STEEL OVERALL
  • Material Thickness: 0.021 INCHES NOMINAL IN
  • Outside Diameter: 0.344 INCHES NOMINAL IN
  • Hole Diameter: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Wico-Prestolite Co the Div of Eltra Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-740-2853, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wico-Prestolite Co the Div of Eltra Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-740-2853
Primary Part Number2635
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWico-Prestolite Co the Div of Eltra Corp
StatusCANCELLED
Style DesignatorFLAT INTERNAL TEETH
MaterialSTEEL OVERALL
Material Thickness0.021 INCHES NOMINAL IN
Outside Diameter0.344 INCHES NOMINAL IN
Hole Diameter0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-204-2659J2635 INTERCHANGEABLE
Wrench,box
The Stanley Works Dba Stanley Proto
4810-00-204-976830088 INTERCHANGEABLE
Valve,solenoid
Bucher Hydraulics, Inc. Div Bucher Hydraulics Grand Rapids
5325-00-281-496511697779 INTERCHANGEABLE
Eyelet,turnlock Fastener
The Boeing Company
4810-00-443-322830088 INTERCHANGEABLE
Sleeve and Slide,directional Con
Moog Military Aircraft Llc
6515-00-515-211326-35 INTERCHANGEABLE
Brace,bit,bone
Mccoy Meat Co
5961-01-030-4410755090A0055-1 INTERCHANGEABLE
Semiconductor Devices,unitized
Spencer Industries Inc
5935-01-123-64432635 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5961-01-135-26702N5370 INTERCHANGEABLE
Transistor
Sprague Electric Co World Hqs
5985-01-140-00924779-5 INTERCHANGEABLE
Attenuator,fixed
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
2940-01-174-597852635 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
2635 Wico-Prestolite Co the Div of Eltra Corp (USA)
7402853 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
3008-8 Itw Shakeproof Automotive Products (USA)
Related Parts
5120-00-204-2659INTERCHANGEABLE
WRENCH,BOX
J2635
4810-00-204-9768INTERCHANGEABLE
VALVE,SOLENOID
30088
5325-00-281-4965INTERCHANGEABLE
EYELET,TURNLOCK FASTENER
11697779
4810-00-443-3228INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
30088
6515-00-515-2113INTERCHANGEABLE
BRACE,BIT,BONE
26-35
5961-01-030-4410INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
755090A0055-1
5935-01-123-6443INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2635
5961-01-135-2670INTERCHANGEABLE
TRANSISTOR
2N5370
5985-01-140-0092INTERCHANGEABLE
ATTENUATOR,FIXED
4779-5
2940-01-174-5978INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
52635
5330-01-339-0711INTERCHANGEABLE
SEAL,PLAIN
5360-01-407-4994INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2635

Frequently Asked Questions

What is NSN 5310-00-740-2853?

NSN 5310-00-740-2853 is a Washer,lock, manufactured by Wico-Prestolite Co the Div of Eltra Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-740-2853?

NSN 5310-00-740-2853 has 3 cross-referenced part numbers: 2635 (Wico-Prestolite Co the Div of Eltra Corp), 7402853 (U S Army Tank Automotive Command Amsta-Im-Mm), 3008-8 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-740-2853?

There are 12 known substitutes for 5310-00-740-2853: 5120-00-204-2659, 4810-00-204-9768, 5325-00-281-4965 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2635?

Key specifications for 2635: Style Designator: FLAT INTERNAL TEETH; Material: STEEL OVERALL; Material Thickness: 0.021 INCHES NOMINAL IN; Outside Diameter: 0.344 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-740-2853 still in active supply?

NSN 5310-00-740-2853 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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