5306-01-666-0756

Find complete technical information, availability, and procurement data for: 5306-01-666-0756
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-666-0756

Item Name Code

01847

Assigment Date

08/22/2017 (8 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

right-hand thread direction, 0.642 inches minimum and 0.662 inches maximum thread length, 0.750 inches nominal fastener length, hexagon head style, 3a thread class

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: 0.642 inches minimum and 0.662 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.188 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.280 inches minimum and 0.290 inches maximum
End Item Identification: 2320-01-549-8565
Nominal Thread Diameter: 0.3125 inches
Grip Length: 0.088 inches minimum and 0.108 inches maximum
Thread Quantity Per Inch: 24
Material: steel overall
Material Document And Classification: ams 6322 assn std single material response overall
Surface Treatment: black chemical finish overall
Surface Treatment Document And Classification: ams 2485 assn std single treatment response overall
Thread Series Designator: unjf

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
MS9285-08	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-666-0756?

The FSCG of the NSN 5306-01-666-0756 is 5306

Does the NSN 5306-01-666-0756 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-666-0756 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 5306-01-666-0756 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-666-0756 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 5306-01-666-0756 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Tue, Aug 22, 2017