D4524-265

View detailed technical data, stock status, and sourcing information for: D4524-265
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-402-3281

Item Name Code

15934

Assigment Date

01/09/1972 (54 years ago)

An item having one or more electrodes arranged to form an air gap across which an electric spark is introduced and discharged to ignite fuel and air mixture in an internal combustion engine for the purpose of initial starting only. In engines designed for the single electrode type, two plugs are required within the combustion chamber in proper placement to effect the air gap. An igniter plug differs from a spark plug by always having cooling facilities in the form of holes or slots in the plug casing to allow entry of air currents around the electrode(s). Excludes:spark plug; glow plug and electrode.

0.870 inches minimum and 0.880 inches maximum shoulder diameter, 0.245 inches minimum and 0.255 inches maximum material thickness, 0.370 inches minimum and 0.380 inches maximum hole diameter, 1.495 inches minimum and 1.505 inches maximum outside diameter, 0.057 inches minimum and 0.067 inches maximum shoulder height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.370 inches minimum and 0.380 inches maximum
Shoulder Diameter: 0.870 inches minimum and 0.880 inches maximum
Outside Diameter: 1.495 inches minimum and 1.505 inches maximum
Shoulder Height: 0.057 inches minimum and 0.067 inches maximum
Material Thickness: 0.245 inches minimum and 0.255 inches maximum
Minimum Tensile Strength: 1500 pounds per square inch
Hardness Rating: 65.0 shore durometer a minimum and 75.0 shore durometer a maximum
Material: rubber synthetic overall
Material Document And Classification: astm d735,ty s+715 assn std single material response overall
Style Designator: shouldered

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
D4524-265	Shouldered Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-402-3281?

The FSCG of the NSN 5310-00-402-3281 is 5310

Does the NSN 5310-00-402-3281 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 5310-00-402-3281 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-402-3281 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-402-3281 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-402-3281 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sun, Jan 9, 1972