MB87-4-17

View detailed technical data, stock status, and sourcing information for: MB87-4-17
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-046-2017

Item Name Code

04905

Assigment Date

08/14/1977 (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.

0.443 inches minimum and 0.493 inches maximum thread length, double hexagon w/hole head style, 1.515 inches minimum and 1.545 inches maximum fastener length, right-hand thread direction, 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: 0.443 inches minimum and 0.493 inches maximum
Fastener Length: 1.515 inches minimum and 1.545 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.290 inches minimum and 0.310 inches maximum
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness: 0.059 inches minimum and 0.079 inches maximum
Shoulder Diameter: 0.280 inches minimum and 0.281 inches maximum first shoulder
Shoulder Length: 1.052 inches minimum and 1.072 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: 23-112,mcdonnell douglas corp mfr ref single material 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
74328-4-17Y	Shoulder Bolt
BM3326-4-17Y	Shoulder Bolt
MB87-4-17	Shoulder Bolt
S11-1063-4-17	Shoulder Bolt
ST3M607-4-17	Shoulder Bolt
VAL23033-4-17X	Shoulder Bolt
VAL23033-4X17	Shoulder Bolt
VS3061-4-17	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-046-2017?

The FSCG of the NSN 5306-01-046-2017 is 5306

Does the NSN 5306-01-046-2017 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-046-2017 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 5306-01-046-2017 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-046-2017 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 5306-01-046-2017 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Aug 14, 1977