MB88-4-25

View detailed technical data, stock status, and sourcing information for: MB88-4-25
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-486-0488

Item Name Code

04905

Assigment Date

06/18/2001 (25 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

right-hand thread direction, 3a thread class, 1.5525 inches minimum and 1.5725 inches maximum first shoulder shoulder length, 0.154 inches minimum and 0.164 inches maximum head height, 0.371 inches minimum and 0.438 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: 0.371 inches minimum and 0.438 inches maximum
Head Height: 0.154 inches minimum and 0.164 inches maximum
Shoulder Length: 1.5525 inches minimum and 1.5725 inches maximum first shoulder
Nominal Thread Diameter: 0.2500 inches
Thread Quantity Per Inch: 28
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unf

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
109450-4-25	Shoulder Bolt
HP5497-4-25	Shoulder Bolt
MB88-4-25	Shoulder Bolt
PBF1254-4-25	Shoulder Bolt
S11-1061-4-25	Shoulder Bolt
ST3M497-4-25	Shoulder Bolt
VAL23607-4-25	Shoulder Bolt
VS3037-4-25	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-486-0488?

The FSCG of the NSN 5306-01-486-0488 is 5306

Does the NSN 5306-01-486-0488 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-486-0488 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 5306-01-486-0488 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-486-0488 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 5306-01-486-0488 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Mon, Jun 18, 2001