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5306-00-151-0319

Find complete technical information, availability, and procurement data for: 5306-00-151-0319

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5306-00-151-0319
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-151-0319
Item Name Code
27851
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

0.140 inches minimum and 0.172 inches maximum head height, right-hand thread direction, hexagon head style, 3.640 inches minimum and 3.687 inches maximum fastener 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
Fastener Length
3.640 inches minimum and 3.687 inches maximum
Head Style
hexagon
Head Height
0.140 inches minimum and 0.172 inches maximum
Width Between Flats
0.428 inches minimum and 0.440 inches maximum
Hole Diameter
0.046 inches nominal
Grip Diameter
0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter
0.076 inches nominal first hole
Nominal Thread Diameter
0.250 inches
Grip Length
3.172 inches minimum and 3.204 inches maximum
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
28
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style
hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
3.484 inches minimum and 3.516 inches maximum first hole
Surface Finish
63.0 microinches bearing surface of head
Material
steel comp 81b45 or steel comp hnv-2 or steel comp 4037 or steel comp 4140 or steel comp 4130 overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type 2,class 3 fed spec single treatment response overall
Thread Series Designator
unf

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
AN174H35 Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-151-0319?
The FSCG of the NSN 5306-00-151-0319 is 5306
Does the NSN 5306-00-151-0319 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-151-0319 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 5306-00-151-0319 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-151-0319 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 5306-00-151-0319 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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