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5306-00-917-6251

Find complete technical information, availability, and procurement data for: 5306-00-917-6251

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5306-00-917-6251
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-917-6251
Item Name Code
15903
Assigment Date
07/29/1966 (60 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.

right-hand thread direction, 1.162 inches nominal fastener length, 0.412 inches minimum thread length, double hexagon w/hole head style, 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
0.412 inches minimum
Fastener Length
1.162 inches nominal
Head Style
double hexagon w/hole
Head Height
0.300 inches nominal
Width Between Flats
0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter
0.069 inches nominal
Hole Diameter
0.037 inches nominal
Grip Diameter
0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter
0.250 inches
Grip Length
0.750 inches nominal
Hole Quantity
4
Hole Type
drilled
Thread Quantity Per Inch
28
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
Material
steel comp h11 overall
Material Document And Classification
ams 6485 assn std single material response or ams 6487 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
nas 672 assn std 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
AIC220EL4H12 Shear Bolt
C083-4H12 Shear Bolt
LWB22-4H12 Shear Bolt
VS2201F4H12 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-917-6251?
The FSCG of the NSN 5306-00-917-6251 is 5306
Does the NSN 5306-00-917-6251 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-917-6251 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 5306-00-917-6251 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-917-6251 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 5306-00-917-6251 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Fri, Jul 29, 1966

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