MB84-7-30

View detailed technical data, stock status, and sourcing information for: MB84-7-30
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-374-5391

Item Name Code

27851

Assigment Date

04/24/1993 (33 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

right-hand thread direction, 0.622 inches minimum and 0.705 inches maximum thread length, 2.565 inches minimum and 2.595 inches maximum fastener length, double hexagon w/hole head style, 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
Thread Length: 0.622 inches minimum and 0.705 inches maximum
Fastener Length: 2.565 inches minimum and 2.595 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.425 inches minimum and 0.445 inches maximum
Width Between Flats: 0.502 inches nominal
Extended Washer Diameter: 0.740 inches minimum and 0.750 inches maximum
Extended Washer Thickness: 0.089 inches minimum and 0.109 inches maximum
Grip Diameter: 0.4365 inches minimum and 0.4370 inches maximum
Nominal Thread Diameter: 0.437 inches
Grip Length: 1.875 inches nominal
Thread Quantity Per Inch: 20
Material: steel comp xm-13 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single 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
74328-7-30	Close Tolerance Bolt
BM3326-7-30	Close Tolerance Bolt
MB84-7-30	Close Tolerance Bolt
S371-7-30	Close Tolerance Bolt
ST3M571-7-30	Close Tolerance Bolt
VAL23033-7-30	Close Tolerance Bolt
VS3060-7-30	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-374-5391?

The FSCG of the NSN 5306-01-374-5391 is 5306

Does the NSN 5306-01-374-5391 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-374-5391 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 5306-01-374-5391 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-374-5391 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 5306-01-374-5391 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Apr 24, 1993