MB87-5-8

View detailed technical data, stock status, and sourcing information for: MB87-5-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-046-3883

Item Name Code

04905

Assigment Date

08/17/1977 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

1.036 inches minimum and 1.066 inches maximum fastener length, 3a thread class, double hexagon w/hole head style, right-hand thread direction, 0.526 inches minimum and 0.576 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: 0.526 inches minimum and 0.576 inches maximum
Fastener Length: 1.036 inches minimum and 1.066 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.338 inches minimum and 0.358 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Extended Washer Diameter: 0.521 inches minimum and 0.531 inches maximum
Extended Washer Thickness: 0.072 inches minimum and 0.092 inches maximum
Shoulder Diameter: 0.342 inches minimum and 0.343 inches maximum first shoulder
Shoulder Length: 0.490 inches minimum and 0.510 inches maximum first shoulder
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Shoulder Shape: round first shoulder
Material: steel 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
74328-5-8Y	Shoulder Bolt
BM3326-5-8Y	Shoulder Bolt
MB87-5-8	Shoulder Bolt
S11-1063-5-8	Shoulder Bolt
ST3M607-5-8	Shoulder Bolt
VAL2303-5-8X	Shoulder Bolt
VS3061-5-8	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-046-3883?

The FSCG of the NSN 5306-01-046-3883 is 5306

Does the NSN 5306-01-046-3883 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-046-3883 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 5306-01-046-3883 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-046-3883 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 5306-01-046-3883 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Aug 17, 1977