5305-01-458-8591

Find complete technical information, availability, and procurement data for: 5305-01-458-8591
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-458-8591

Item Name Code

22846

Assigment Date

09/12/1998 (27 years ago)

A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting one or more items and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See support,as modified. Do not use if a more specific name applies.

hexagon head style, 0.320 inches minimum and 0.350 inches maximum thread length, 3a thread class, right-hand thread direction, 0.970 inches minimum and 1.000 inches maximum fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.320 inches minimum and 0.350 inches maximum
Fastener Length: 0.970 inches minimum and 1.000 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Shoulder Diameter: 0.183 inches minimum and 0.193 inches maximum second shoulder
Shoulder Diameter: 0.243 inches minimum and 0.250 inches maximum first shoulder
Shoulder Length: 0.150 inches minimum and 0.170 inches maximum first shoulder
Shoulder Length: 0.485 inches minimum and 0.495 inches maximum second shoulder
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round all shoulders
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 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: 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
2351-20503-01	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-458-8591?

The FSCG of the NSN 5305-01-458-8591 is 5305

Does the NSN 5305-01-458-8591 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-458-8591 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 5305-01-458-8591 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-458-8591 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 5305-01-458-8591 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Sat, Sep 12, 1998