NAS1580C3R20P

View detailed technical data, stock status, and sourcing information for: NAS1580C3R20P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-706-9429

Item Name Code

15903

Assigment Date

01/04/2023 (3 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.

1.598 inches minimum and 1.628 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.333 inches minimum and 0.393 inches maximum thread length, 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: 0.333 inches minimum and 0.393 inches maximum
Fastener Length: 1.598 inches minimum and 1.628 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Head Height: 0.083 inches nominal
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Nominal Thread Diameter: 0.1900 inches
Grip Length: 1.240 inches minimum and 1.260 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt, shear, 100 deg flush head, offset cruciform, ribbed slot, 95 ksi fsu
Special Features: material: cres - a286 (uns s66286) shall conform to the chemistry of ams5731, ams5732, ams5737 or ams5853. finish: cadmium plate per ams-qq-p-416, type ii, class 2. p = cadmium plate. r = following dia dash number indicates ribbed offset cruciform recess per nasm14191. heat treat: ams-h-81200 = 160-190 ksi ftu.
Hazardous Substances: cadmium
Material: steel corrosion resisting overall
Material Document And Classification: ams5731 international std/spec all material responses or ams5732 international std/spec all material responses or ams5737 international std/spec all material responses or ams5853 international std/spec all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 international std/spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1580 professional/industrial association standard

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
NAS1580C3R20P	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-706-9429?

The FSCG of the NSN 5306-01-706-9429 is 5306

Does the NSN 5306-01-706-9429 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-706-9429 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 5306-01-706-9429 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-706-9429 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 5306-01-706-9429 was assigned to the Federal Catalog?

It was assigned 3 years ago, on Wed, Jan 4, 2023