5305-01-285-2028

Find complete technical information, availability, and procurement data for: 5305-01-285-2028
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-285-2028

Item Name Code

18257

Assigment Date

09/08/1988 (37 years ago)

0.281 inches minimum and 0.312 inches maximum fastener length, right-hand thread direction, 0.219 inches minimum and 0.312 inches maximum thread length, hexagon head style, 2a thread class

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: 0.219 inches minimum and 0.312 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: hexagon
Head Height: 0.110 inches maximum
Width Between Flats: 0.250 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc

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
3145091-5	Hexagon Head Cap Screw
562992-005	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-285-2028?

The FSCG of the NSN 5305-01-285-2028 is 5305

Does the NSN 5305-01-285-2028 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-285-2028 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 5305-01-285-2028 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-285-2028 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 5305-01-285-2028 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Sep 8, 1988