NAS1785-6H13

View detailed technical data, stock status, and sourcing information for: NAS1785-6H13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-167-4349

Item Name Code

15903

Assigment Date

11/29/1983 (42 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

1.445 inches minimum and 1.465 inches maximum fastener length, 3a thread class, double hexagon w/hole head style, 0.560 inches minimum and 0.643 inches maximum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.560 inches minimum and 0.643 inches maximum
Fastener Length: 1.445 inches minimum and 1.465 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.378 inches minimum and 0.398 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Extended Washer Diameter: 0.639 inches minimum and 0.649 inches maximum
Extended Washer Thickness: 0.081 inches minimum and 0.101 inches maximum
Hole Diameter: 0.050 inches minimum and 0.060 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.812 inches nominal
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Hole Configuration Style: double hexagon longitudinal hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: ams 2416 assn std all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1785 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
NAS1785-6H13	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-167-4349?

The FSCG of the NSN 5306-01-167-4349 is 5306

Does the NSN 5306-01-167-4349 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-167-4349 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 5306-01-167-4349 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-167-4349 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 5306-01-167-4349 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Nov 29, 1983