PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2239HXWasher,lock

Oshkosh Defense Llc · NSN 5310-00-209-1218 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-1218 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-1218. Primary manufacturer part number: 2239HX.
Features
  • Washer,lock — FSC 5310
  • 6 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-209-1218, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersItw Shakeproof Automotive Products (CAGE 78189); Textron Lycoming Inc Williamsport Plant (CAGE 80254); Oshkosh Defense Llc (CAGE 75Q65); Kurz & Root Generator Company, Llc (CAGE 75377); Oshkosh Corp (CAGE 45152)
Technical Specifications
ParameterValue
NSN5310-00-209-1218
Primary Part Number2239HX
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-193-7486 INTERCHANGEABLE
Washer,lock
5945-00-238-4522121000 INTERCHANGEABLE
Solenoid,electrical
Sai Industries Div Standard Armament Inc.
4330-00-288-6907 INTERCHANGEABLE
Filter,fluid
5330-00-990-40006338 INTERCHANGEABLE
Seal,grease
Pdi Ground Support Systems, Inc.
6515-01-113-013712-1000 INTERCHANGEABLE
Goniometer,orthopedic
Gf Health Products, Inc.
6120-01-150-0639 INTERCHANGEABLE
Power Supply
7025-01-256-8264 INTERCHANGEABLE
Processor,signal,head-Up Display
5940-01-374-83601070400-04 INTERCHANGEABLE
Terminal,lug
Ametek Programmable Power, Inc.
5310-01-496-3647650374B INTERCHANGEABLE
Washer,lock
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
4730-01-515-8531STD-251-1 INTERCHANGEABLE
Adapter,straight,flange to Pipe
Container Research Corp Dba Container Research Corp Div Containr Research Corporation
Cross-Reference Index
Part NumberManufacturer
1210-00 Itw Shakeproof Automotive Products (USA)
STD251 Textron Lycoming Inc Williamsport Plant (USA)
2239HX PRIMARY Oshkosh Defense Llc (USA)
56-941-2 Kurz & Root Generator Company, Llc (USA)
2239H Oshkosh Corp (USA)
2239HX Oshkosh Corp (USA)
Related Parts
5310-00-193-7486INTERCHANGEABLE
WASHER,LOCK
5945-00-238-4522INTERCHANGEABLE
SOLENOID,ELECTRICAL
121000
4330-00-288-6907INTERCHANGEABLE
FILTER,FLUID
5330-00-990-4000INTERCHANGEABLE
SEAL,GREASE
6338
6515-01-113-0137INTERCHANGEABLE
GONIOMETER,ORTHOPEDIC
12-1000
6120-01-150-0639INTERCHANGEABLE
POWER SUPPLY
7025-01-256-8264INTERCHANGEABLE
PROCESSOR,SIGNAL,HEAD-UP DISPLAY
5940-01-374-8360INTERCHANGEABLE
TERMINAL,LUG
1070400-04
5310-01-496-3647INTERCHANGEABLE
WASHER,LOCK
650374B
4730-01-515-8531INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO PIPE
STD-251-1
6640-01-570-7058INTERCHANGEABLE
TUBE,CENTRIFUGE
1211-00
6550-01-580-8939INTERCHANGEABLE
URINE IMMUNOGLOBULI
447020

Frequently Asked Questions

What is NSN 5310-00-209-1218?

NSN 5310-00-209-1218 is a Washer,lock, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-209-1218?

NSN 5310-00-209-1218 has 6 cross-referenced part numbers: 1210-00 (Itw Shakeproof Automotive Products), STD251 (Textron Lycoming Inc Williamsport Plant), 2239HX (Oshkosh Defense Llc), 56-941-2 (Kurz & Root Generator Company, Llc), 2239H (Oshkosh Corp) and 1 more.

What NSN replaces 5310-00-209-1218?

There are 12 known substitutes for 5310-00-209-1218: 5310-00-193-7486, 5945-00-238-4522, 4330-00-288-6907 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-209-1218 still in active supply?

NSN 5310-00-209-1218 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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