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123CM41009-611

View detailed technical data, stock status, and sourcing information for: 123CM41009-611

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123CM41009-611
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-252-8051
Item Name Code
04905
Assigment Date
04/08/1987 (39 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

3a thread class, 0.296 inches minimum and 0.328 inches maximum thread length, hexagon head style, 2.281 inches nominal fastener length, right-hand thread direction

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
0.296 inches minimum and 0.328 inches maximum
Fastener Length
2.281 inches nominal
Head Style
hexagon
Head Height
0.156 inches nominal
Width Between Flats
0.500 inches nominal
Shoulder Diameter
0.3104 inches minimum and 0.3110 inches maximum first shoulder
Shoulder Length
1.218 inches nominal first shoulder
Shank Unthreaded Hole Diameter
0.077 inches minimum and 0.082 inches maximum first hole
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
39.0 rockwell c minimum and 42.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
2.165 inches nominal first hole
Shoulder Shape
round first shoulder
Material
steel comp 1095 or steel comp 4130 or steel comp 4140 or steel comp 4340 or steel comp 6150 or steel comp 8740 overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type 2 class 2 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
123CM41009 Shoulder Bolt
123CM41009-611 Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-252-8051?
The FSCG of the NSN 5306-01-252-8051 is 5306
Does the NSN 5306-01-252-8051 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-252-8051 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 5306-01-252-8051 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-01-252-8051 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 5306-01-252-8051 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Apr 8, 1987

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