5305-01-407-3521

Find complete technical information, availability, and procurement data for: 5305-01-407-3521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-407-3521

Item Name Code

16282

Assigment Date

01/26/1995 (31 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.

flat chamfer head style, 2a thread class, right-hand thread direction, 0.750 inches nominal thread length, 0.750 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Material: steel comp 4140 and steel comp 4142 and steel comp 4145 overall
Material Document And Classification: astm a193 grade b7 assn std single material response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and b7 grade

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
0.31218UNC2A0.750T2GB7SEA	Socket Head Cap Screw
01080-0403LOC8-13	Socket Head Cap Screw
M1222SN5C212GANN	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-407-3521?

The FSCG of the NSN 5305-01-407-3521 is 5305

Does the NSN 5305-01-407-3521 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-407-3521 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 5305-01-407-3521 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-407-3521 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 5305-01-407-3521 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Thu, Jan 26, 1995