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5306-01-250-5236

Find complete technical information, availability, and procurement data for: 5306-01-250-5236

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5306-01-250-5236
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-250-5236
Item Name Code
15903
Assigment Date
03/03/1987 (39 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.

3a thread class, hexagon head style, right-hand thread direction, 1.098 inches minimum and 1.128 inches maximum fastener length, 0.400 inches minimum and 0.450 inches maximum thread 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
0.400 inches minimum and 0.450 inches maximum
Fastener Length
1.098 inches minimum and 1.128 inches maximum
Head Style
hexagon
Head Height
0.125 inches minimum and 0.140 inches maximum
Width Between Flats
0.430 inches minimum and 0.439 inches maximum
Grip Diameter
0.2485 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter
0.250 inches
Grip Length
0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch
28
Minimum Tensile Strength
180000 pounds per square inch
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
iron alloy 660 overall
Material Document And Classification
ams5731 assn std single material response or ams5737 assn std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1954 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
NAS1954C11 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-250-5236?
The FSCG of the NSN 5306-01-250-5236 is 5306
Does the NSN 5306-01-250-5236 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-250-5236 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 5306-01-250-5236 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-250-5236 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 5306-01-250-5236 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Tue, Mar 3, 1987

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