PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3231Washer,lock

Prestolite Electric Inc · NSN 5310-00-032-1814 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-032-1814 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-032-1814. Primary manufacturer part number: 3231.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Hole Diameter: 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Outside Diameter: 0.516 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • 5 verified cross-references
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 5310-00-032-1814, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5310-00-032-1814
Primary Part Number3231
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Material Thickness0.062 INCHES NOMINAL IN
Hole Diameter0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Outside Diameter0.516 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-003-0089WC59241 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4510-00-237-3667 INTERCHANGEABLE
Seat,faucet
4030-00-274-5175 INTERCHANGEABLE
Thimble,rope
5305-00-579-0127 INTERCHANGEABLE
Screw,machine
4030-00-612-7451211028609 INTERCHANGEABLE
Thimble,rope
Naval Sea Systems Command
4940-00-771-69993231-47-1 INTERCHANGEABLE
Test Bench,pop Valve
King Nutronics Corporation Dba King Nutronics
5930-00-799-36125-15452-211 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
6685-00-851-45772050W-BT INTERCHANGEABLE
Thermometer,self-Indicating
Kessler Thermometer Corp Dba Kessler Thermometers Corp
6145-00-931-7273 INTERCHANGEABLE
Cable,special Purpose,electrical
5120-01-018-8978 INTERCHANGEABLE
Bit,screwdriver
Cross-Reference Index
Part NumberManufacturer
5999099 Am General Llc (USA)
3231 PRIMARY Prestolite Electric Inc (USA)
4080GX Oshkosh Defense Llc (USA)
3231 Prestolite Electric Inc (USA)
4080GX Oshkosh Corp (USA)
Related Parts
2530-00-003-0089INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
WC59241
4510-00-237-3667INTERCHANGEABLE
SEAT,FAUCET
4030-00-274-5175INTERCHANGEABLE
THIMBLE,ROPE
5305-00-579-0127INTERCHANGEABLE
SCREW,MACHINE
4030-00-612-7451INTERCHANGEABLE
THIMBLE,ROPE
211028609
4940-00-771-6999INTERCHANGEABLE
TEST BENCH,POP VALVE
3231-47-1
5930-00-799-3612INTERCHANGEABLE
SWITCH,ROTARY
5-15452-211
6685-00-851-4577INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
2050W-BT
6145-00-931-7273INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5120-01-018-8978INTERCHANGEABLE
BIT,SCREWDRIVER
5910-01-032-1960INTERCHANGEABLE
CAPACITOR AND TUBE ASSEMBLY
5962-01-105-9718INTERCHANGEABLE
INTEGRATED CIRCUIT
3231

Frequently Asked Questions

What is NSN 5310-00-032-1814?

NSN 5310-00-032-1814 is a Washer,lock, manufactured by Prestolite Electric Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-032-1814?

NSN 5310-00-032-1814 has 5 cross-referenced part numbers: 5999099 (Am General Llc), 3231 (Prestolite Electric Inc), 4080GX (Oshkosh Defense Llc), 3231 (Prestolite Electric Inc), 4080GX (Oshkosh Corp).

What NSN replaces 5310-00-032-1814?

There are 12 known substitutes for 5310-00-032-1814: 2530-00-003-0089, 4510-00-237-3667, 4030-00-274-5175 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3231?

Key specifications for 3231: Surface Treatment: CADMIUM OVERALL; Material Thickness: 0.062 INCHES NOMINAL IN; End Item Identification: NSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 2320-01-304-2277 AND 2320013042278 PLS (PALLETIZED LOADING SYSTEM); Hole Diameter: 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-032-1814 still in active supply?

NSN 5310-00-032-1814 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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