MB88-3-26

View detailed technical data, stock status, and sourcing information for: MB88-3-26
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-045-9527

Item Name Code

04905

Assigment Date

08/10/1977 (49 years ago)

1.940 inches minimum and 1.987 inches maximum fastener length, double hexagon head style, 0.305 inches minimum and 0.372 inches maximum thread 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: 0.305 inches minimum and 0.372 inches maximum
Fastener Length: 1.940 inches minimum and 1.987 inches maximum
Head Style: double hexagon
Head Height: 0.130 inches minimum and 0.150 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Shoulder Diameter: 0.202 inches minimum and 0.203 inches maximum first shoulder
Shoulder Length: 1.615 inches minimum and 1.635 inches maximum first shoulder
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Material: steel overall
Thread Series Designator: unjf
Specification/Standard Data: 76301-st3-497 professional/industrial association standard

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
109450-3-26	Shoulder Bolt
BM17019-3-26X	Shoulder Bolt
HP5497-3-26	Shoulder Bolt
MB88-3-26	Shoulder Bolt
PBF1254-3-26	Shoulder Bolt
S11-1061-3-26	Shoulder Bolt
ST3M497-3-26	Shoulder Bolt
VAL23607-3-26	Shoulder Bolt
VS3037-3-26	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-045-9527?

The FSCG of the NSN 5306-01-045-9527 is 5306

Does the NSN 5306-01-045-9527 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-045-9527 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 5306-01-045-9527 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-045-9527 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 5306-01-045-9527 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Aug 10, 1977