5305-01-686-5516

Find complete technical information, availability, and procurement data for: 5305-01-686-5516
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-686-5516

Item Name Code

18257

Assigment Date

02/24/2020 (6 years ago)

hexagon head style, 2a thread class, 1.250 inches minimum and 1.442 inches maximum thread length, right-hand thread direction, 4.156 inches minimum and 4.250 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches minimum and 1.442 inches maximum
Fastener Length: 4.156 inches minimum and 4.250 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Locking Feature: patch or strip threads
End Item Identification: 2350-01-668-1220
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 150000 pounds per square inch
Part Name Assigned By Controlling Agency: screw, cap, hexagon (finished)
Special Features: material grade 8
Material: steel overall
Surface Treatment: zinc and chromate overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-671-4807	No Name Available	07/01/2021

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
B1821BH050C425L	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-686-5516?

The FSCG of the NSN 5305-01-686-5516 is 5305

Does the NSN 5305-01-686-5516 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-686-5516 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 5305-01-686-5516 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-686-5516 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 5305-01-686-5516 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Mon, Feb 24, 2020