NAS1785-7-12

View detailed technical data, stock status, and sourcing information for: NAS1785-7-12
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part NAS1785-7-12 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-391-1447

Item Name Code

15903

Assigment Date

06/06/1994 (32 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.

3a thread class, double hexagon w/hole head style, 0.733 inches nominal thread length, right-hand thread direction, 1.473 inches minimum and 1.493 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: 3a
Thread Direction: right-hand
Thread Length: 0.733 inches nominal
Fastener Length: 1.473 inches minimum and 1.493 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.425 inches minimum and 0.445 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Extended Washer Diameter: 0.740 inches minimum and 0.750 inches maximum
Extended Washer Thickness: 0.089 inches minimum and 0.109 inches maximum
Grip Diameter: 0.436 inches minimum and 0.437 inches maximum
Single Shear Strength: 132000 pounds per square inch
Nominal Thread Diameter: 0.438 inches
Grip Length: 1.750 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 220000 pounds per square inch
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: nickel and 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
NAS1785-7-12	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-391-1447?

The FSCG of the NSN 5306-01-391-1447 is 5306

Does the NSN 5306-01-391-1447 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-391-1447 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 5306-01-391-1447 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-391-1447 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 5306-01-391-1447 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Jun 6, 1994