KS812-616-39

View detailed technical data, stock status, and sourcing information for: KS812-616-39
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-959-6989

Item Name Code

16282

Assigment Date

05/27/1966 (60 years ago)

1.250 inches minimum thread length, 3a thread class, 2.438 inches nominal fastener length, right-hand thread direction, flat chamfer head style

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: 1.250 inches minimum
Fastener Length: 2.438 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Thread Quantity Per Inch: 16
Minimum Yield Strength: 80000 pounds per square inch
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 6 type
Departure From Cited Designator: as modified by metallic hardness rating and minimumyield strength

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
KS812-616-39	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-959-6989?

The FSCG of the NSN 5305-00-959-6989 is 5305

Does the NSN 5305-00-959-6989 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-959-6989 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 5305-00-959-6989 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-959-6989 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 5305-00-959-6989 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, May 27, 1966