MB161-5D33

View detailed technical data, stock status, and sourcing information for: MB161-5D33
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-143-0595

Item Name Code

04905

Assigment Date

11/25/1982 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, 2.598 inches minimum and 2.628 inches maximum fastener length, right-hand thread direction, spline extended washer head style, 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: 2.598 inches minimum and 2.628 inches maximum
Head Style: spline extended washer
Head Height: 0.302 inches minimum and 0.322 inches maximum
Extended Washer Diameter: 0.575 inches minimum and 0.585 inches maximum
Extended Washer Thickness: 0.035 inches minimum and 0.055 inches maximum
Shoulder Diameter: 0.3271 inches minimum and 0.3276 inches maximum first shoulder
Shoulder Length: 2.052 inches minimum and 2.072 inches maximum first shoulder
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.081 inches maximum first hole
Head Minor Diameter: 0.383 inches minimum and 0.389 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.390 inches minimum and 2.430 inches maximum first hole
Shoulder Shape: round first shoulder
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
122915-5D33	Shoulder Bolt
MB161-5D33	Shoulder Bolt
ST3M839-5D33	Shoulder Bolt
VS3190-5D33X	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-143-0595?

The FSCG of the NSN 5306-01-143-0595 is 5306

Does the NSN 5306-01-143-0595 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-143-0595 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 5306-01-143-0595 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-143-0595 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 5306-01-143-0595 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Nov 25, 1982