5306-01-491-9986

Find complete technical information, availability, and procurement data for: 5306-01-491-9986
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-491-9986

Item Name Code

15939

Assigment Date

11/08/2001 (24 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

1.250 inches minimum thread length, flat countersunk head style, 2a thread class, 2.250 inches nominal fastener length, 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches minimum
Fastener Length: 2.250 inches nominal
Head Style: flat countersunk
Head Diameter: 1.250 inches minimum and 1.303 inches maximum
Neck Length: 1.709 inches minimum and 1.759 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 10
Hardness Rating: 33.0 rockwell c minimum and 39.0 rockwell c maximum overall
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Neck Width: 0.750 inches minimum and 0.765 inches maximum
Material: steel overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633 type 2 assn std 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
12335260-2	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-491-9986?

The FSCG of the NSN 5306-01-491-9986 is 5306

Does the NSN 5306-01-491-9986 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-491-9986 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 5306-01-491-9986 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-491-9986 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 5306-01-491-9986 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, Nov 8, 2001