5305-01-410-6630

Find complete technical information, availability, and procurement data for: 5305-01-410-6630
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-410-6630

Item Name Code

01852

Assigment Date

03/09/1995 (31 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

1.750 inches nominal fastener length, 3a thread class, flat chamfer head style, right-hand thread direction, 0.350 inches minimum and 0.410 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.350 inches minimum and 0.410 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
First Diameter From Head: 0.190 inches minimum and 0.200 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 1.370 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 28
Externally Relieved Body Diameter Quantity: 1
Special Features: m/f nas1351c4-28
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Surface Treatment: passivate 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
5728149P1	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-410-6630?

The FSCG of the NSN 5305-01-410-6630 is 5305

Does the NSN 5305-01-410-6630 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-410-6630 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 5305-01-410-6630 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-410-6630 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 5305-01-410-6630 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Mar 9, 1995