5305-01-159-1287

Find complete technical information, availability, and procurement data for: 5305-01-159-1287
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-1287

Item Name Code

16282

Assigment Date

08/03/1983 (42 years ago)

3a thread class, right-hand thread direction, flat chamfer head style, 0.595 inches minimum and 0.625 inches maximum fastener length, 0.484 inches minimum and 0.625 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: 0.484 inches minimum and 0.625 inches maximum
Fastener Length: 0.595 inches minimum and 0.625 inches maximum
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
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Special Features: grooved area 0.146 in min,0.166 in max dia,centered 0.156 in from bearing surface of head. groove area radius 0.090 in min to 0.096 in max
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7 overall
Material Document And Classification: 66 fed std 1st material response or 66 fed std 2nd material response or 66 fed std 3rd material response or 66 fed std 4th material response or 66 fed std 5th material response or astm a493 assn std 6th material response 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
10001 - 2147771	Socket Head Cap Screw
2147771	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-159-1287?

The FSCG of the NSN 5305-01-159-1287 is 5305

Does the NSN 5305-01-159-1287 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-159-1287 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 5305-01-159-1287 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-1287 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 5305-01-159-1287 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Aug 3, 1983