NAS636A26

View detailed technical data, stock status, and sourcing information for: NAS636A26
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-078-8045

Item Name Code

27851

Assigment Date

06/20/1979 (47 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.

double hexagon w/hole head style, right-hand thread direction, 1.191 inches nominal thread length, 3a thread class, 3.007 inches nominal 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: 1.191 inches nominal
Fastener Length: 3.007 inches nominal
Head Style: double hexagon w/hole
Extended Washer Diameter: 1.620 inches nominal
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 12
Material: steel comp 8735 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: nas672 national spec single treatment response overall
Thread Series Designator: unjf

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
NAS636A26	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-078-8045?

The FSCG of the NSN 5306-01-078-8045 is 5306

Does the NSN 5306-01-078-8045 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-078-8045 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 5306-01-078-8045 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-078-8045 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 5306-01-078-8045 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Jun 20, 1979