MB155-4-13

View detailed technical data, stock status, and sourcing information for: MB155-4-13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-254-9172

Item Name Code

27851

Assigment Date

05/12/1987 (39 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.

1.193 inches minimum and 1.240 inches maximum fastener length, 3a thread class, 0.371 inches minimum and 0.438 inches maximum thread length, spline drive shear head head style, right-hand thread direction

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
Fastener Length: 1.193 inches minimum and 1.240 inches maximum
Head Style: spline drive shear head
Head Height: 0.164 inches minimum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Head Minor Diameter: 0.448 inches minimum and 0.455 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.802 inches minimum and 0.822 inches maximum
Features Provided: finished head
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: 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
11833-4-13	Close Tolerance Bolt
122896-4-13	Close Tolerance Bolt
AIC688-4-13	Close Tolerance Bolt
GS1031-4-13	Close Tolerance Bolt
MB155-4-13	Close Tolerance Bolt
PBF1266-4-13	Close Tolerance Bolt
S397-4-13	Close Tolerance Bolt
ST3M747-4-13	Close Tolerance Bolt
VCG0002-4-13	Close Tolerance Bolt
VS3191-4-13	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-254-9172?

The FSCG of the NSN 5306-01-254-9172 is 5306

Does the NSN 5306-01-254-9172 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-254-9172 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 5306-01-254-9172 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-254-9172 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 5306-01-254-9172 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 12, 1987