PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

426219Washer,lock

NSN 5310-00-042-6219 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-042-6219 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-042-6219. Primary manufacturer part number: 426219.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
  • Hole Diameter: 0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Nondefinitive Spec/std Data: A CLASS AND 2 STYLE
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Outside Diameter: 0.239 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1065 or Steel Comp 1070 or Steel Comp 1075 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-042-6219, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5310-00-042-6219
Primary Part Number426219
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
StatusACTIVE
MaterialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
Hole Diameter0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Nondefinitive Spec/std DataA CLASS AND 2 STYLE
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Thickness0.031 INCHES NOMINAL IN
Outside Diameter0.239 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6515-00-187-2388210-017 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Abbott Laboratories Sorenson Research Div
5310-00-836-2458MS122027 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5961-01-168-4103210017 INTERCHANGEABLE
Semiconductor Device Set
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5310-01-169-6398 INTERCHANGEABLE
Nut,plain,hexagon
5310-01-193-9307 INTERCHANGEABLE
Nut,plain,hexagon
5950-01-271-4817 INTERCHANGEABLE
Transformer,power
2910-01-489-5283210017 INTERCHANGEABLE
Tube,lub Oil Suctio
Cummins Inc.
6220-01-540-7849210017 INTERCHANGEABLE
Light,marker,clearance
Betts Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
426219 CAGE 00000
210-0017-00 Spacelabs-Hillsboro Operations Squibb Vitatek Inc (USA)
210-017 Tektronix, Inc. (USA)
FFW84CLASSASTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6515-00-187-2388INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
210-017
5310-00-836-2458INTERCHANGEABLE
WASHER,LOCK
MS122027
5961-01-168-4103INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
210017
5310-01-169-6398INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-01-193-9307INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5950-01-271-4817INTERCHANGEABLE
TRANSFORMER,POWER
2910-01-489-5283INTERCHANGEABLE
TUBE,LUB OIL SUCTIO
210017
6220-01-540-7849INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
210017

Frequently Asked Questions

What is NSN 5310-00-042-6219?

NSN 5310-00-042-6219 is a Washer,lock, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-042-6219?

NSN 5310-00-042-6219 has 4 cross-referenced part numbers: 426219, 210-0017-00 (Spacelabs-Hillsboro Operations Squibb Vitatek Inc), 210-017 (Tektronix, Inc.), FFW84CLASSASTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-042-6219?

There are 8 known substitutes for 5310-00-042-6219: 6515-00-187-2388, 5310-00-836-2458, 5961-01-168-4103 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 426219?

Key specifications for 426219: Material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL; Hole Diameter: 0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Nondefinitive Spec/std Data: A CLASS AND 2 STYLE. 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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