BM17020-6-18A

View detailed technical data, stock status, and sourcing information for: BM17020-6-18A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-130-8382

Item Name Code

15903

Assigment Date

04/29/1982 (44 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.

1.509 inches minimum and 1.556 inches maximum fastener length, 3a thread class, double hexagon head style, 0.374 inches minimum and 0.441 inches maximum thread 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: 0.374 inches minimum and 0.441 inches maximum
Fastener Length: 1.509 inches minimum and 1.556 inches maximum
Head Style: double hexagon
Head Height: 0.200 inches minimum and 0.220 inches maximum
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
Grip Diameter: 0.3733 inches minimum and 0.3742 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Surface Finish: 32.0 microinches grip
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium or cadmium and chromate overall
Surface Treatment Document And Classification: nas 672 assn std 1st treatment response or mil-c-8837 type 2 class 2 mil spec 2nd 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
AIC516B6-18	Shear Bolt
BM17020-6-18A	Shear Bolt
EWSB22D6A18	Shear Bolt
GB511B6-18	Shear Bolt
H401-6-18	Shear Bolt
VAL22034-6F18	Shear Bolt
VAL22034-6G18	Shear Bolt
VS3071-6F18	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-130-8382?

The FSCG of the NSN 5306-01-130-8382 is 5306

Does the NSN 5306-01-130-8382 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-130-8382 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 5306-01-130-8382 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-130-8382 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 5306-01-130-8382 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Apr 29, 1982