MILF18240 CONF A OR B

View detailed technical data, stock status, and sourcing information for: MILF18240 CONF A OR B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-301-7839

Item Name Code

01847

Assigment Date

06/02/1989 (37 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.720 inches minimum and 0.750 inches maximum fastener length, 0.620 inches minimum and 0.750 inches maximum thread length, 2a thread class, hexagon head style, 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: 2a
Thread Direction: right-hand
Thread Length: 0.620 inches minimum and 0.750 inches maximum
Fastener Length: 0.720 inches minimum and 0.750 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Locking Feature: patch or pellet or strip threads
Nominal Thread Diameter: 0.250 inches
Features Provided: finished head
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum fastener
Minimum Yield Strength: 40000 pounds per square inch
Material: nickel alloy 400 fastener
Material: plastic polyamide (nylon) locking feature
Material Document And Classification: qq-n-281,class a fed spec single material response fastener
Thread Series Designator: unc

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
MILF18240 .750LX.750T	Machine Bolt
MILF18240 CONF A OR B	Machine Bolt
MILF18240 NICU .250-20UNC-2A	Machine Bolt
MILS1222 TYPE1 QQN281 CLASS A	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-301-7839?

The FSCG of the NSN 5306-01-301-7839 is 5306

Does the NSN 5306-01-301-7839 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-301-7839 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 5306-01-301-7839 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-301-7839 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 5306-01-301-7839 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Fri, Jun 2, 1989