13218E0526-278

View detailed technical data, stock status, and sourcing information for: 13218E0526-278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-484-3470

Item Name Code

18257

Assigment Date

05/23/1969 (57 years ago)

An item with a cylindrical shaped body having external threads other than pipe or hose series. It is desinged to mate into a preformed threaded component for the purpose of plugging a hole during equipment operation. It may have a head and/or internal drive and may contain a bleeder hole. See also plug, protective, dust and moisture seal and cap-plug, protective, dust and moisture seal. Excludes:plug, tube fitting, threaded.

right-hand thread direction, 2a thread class, 0.593 inches minimum and 0.625 inches maximum fastener length, hexagon head style, 0.535 inches minimum thread length

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.535 inches minimum
Fastener Length: 0.593 inches minimum and 0.625 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.367 inches minimum and 0.375 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: steel comp 1010 or steel comp 1011 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1025 or steel comp 1026 or steel comp 1524 fastener
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Thread Series Designator: unf

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
13206E0256	Hexagon Head Cap Screw
13218E0526-278	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-484-3470?

The FSCG of the NSN 5305-00-484-3470 is 5305

Does the NSN 5305-00-484-3470 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-484-3470 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 5305-00-484-3470 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-484-3470 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 5305-00-484-3470 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, May 23, 1969