1366AS545

View detailed technical data, stock status, and sourcing information for: 1366AS545
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-282-4787

Item Name Code

04905

Assigment Date

07/15/1988 (38 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

square head style, right-hand thread direction, 2a thread class, 3.750 inches minimum thread length, 7.950 inches minimum and 8.050 inches maximum fastener length

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: 3.750 inches minimum
Fastener Length: 7.950 inches minimum and 8.050 inches maximum
Head Style: square
Head Height: 0.278 inches minimum and 0.316 inches maximum
Width Between Flats: 0.603 inches minimum and 0.625 inches maximum
Shoulder Diameter: 0.452 inches nominal first shoulder
Shoulder Length: 4.250 inches nominal first shoulder
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 20
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: sae grade 5 assn std single material response overall
Surface Treatment: zinc or cadmium or phosphate 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
1366AS545	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-282-4787?

The FSCG of the NSN 5306-01-282-4787 is 5306

Does the NSN 5306-01-282-4787 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-282-4787 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 5306-01-282-4787 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-282-4787 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 5306-01-282-4787 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jul 15, 1988