5306-01-383-5981

Find complete technical information, availability, and procurement data for: 5306-01-383-5981
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-383-5981

Item Name Code

06666

Assigment Date

11/26/1993 (32 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.

1.630 inches nominal thread length, right-hand thread direction, 1.960 inches minimum and 2.000 inches maximum fastener length, 3a thread class, flat countersunk 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: 1.630 inches nominal
Fastener Length: 1.960 inches minimum and 2.000 inches maximum
Head Style: flat countersunk
Head Diameter: 0.747 inches minimum and 0.753 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.219 inches nominal
Thread Quantity Per Inch: 24
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Material: steel overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec 1st treatment response or mil-c-81562, type ii, class 3 mil spec 2nd treatment response overall
Thread Series Designator: unf

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
16990-6F-32C	Internal Wrenching Bolt
272.376.117	Internal Wrenching Bolt
6620232-002	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-383-5981?

The FSCG of the NSN 5306-01-383-5981 is 5306

Does the NSN 5306-01-383-5981 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-383-5981 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 5306-01-383-5981 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-383-5981 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 5306-01-383-5981 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Nov 26, 1993