5305-00-905-2659

Find complete technical information, availability, and procurement data for: 5305-00-905-2659
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-905-2659

Item Name Code

16282

Assigment Date

06/22/1966 (60 years ago)

0.361 inches minimum and 0.391 inches maximum thread length, 3a thread class, 0.423 inches minimum and 0.453 inches maximum fastener length, flat chamfer head style, right-hand thread direction

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: 0.361 inches minimum and 0.391 inches maximum
Fastener Length: 0.423 inches minimum and 0.453 inches maximum
Head Style: flat chamfer
Head Diameter: 0.262 inches minimum and 0.270 inches maximum
Head Height: 0.159 inches minimum and 0.164 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.141 inches minimum and 0.143 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-877-1676	No Name Available	07/12/1968

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
BACS12BW08-7	Socket Head Cap Screw
LK21262-21	Socket Head Cap Screw
MS21262-21	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-905-2659?

The FSCG of the NSN 5305-00-905-2659 is 5305

Does the NSN 5305-00-905-2659 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-905-2659 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 5305-00-905-2659 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-905-2659 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 5305-00-905-2659 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 22, 1966