VS3251-3-8M

View detailed technical data, stock status, and sourcing information for: VS3251-3-8M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-300-8900

Item Name Code

04905

Assigment Date

05/20/1989 (37 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

0.266 inches minimum and 0.343 inches maximum thread length, dished hexagon head style, 0.823 inches minimum and 0.853 inches maximum fastener length, 3a thread class, 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: 0.266 inches minimum and 0.343 inches maximum
Fastener Length: 0.823 inches minimum and 0.853 inches maximum
Head Style: dished hexagon
Head Height: 0.125 inches minimum and 0.140 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Shoulder Diameter: 0.2490 inches minimum and 0.2495 inches maximum first shoulder
Shoulder Length: 0.490 inches minimum and 0.510 inches maximum first shoulder
Nominal Thread Diameter: 0.190 inches
Features Provided: dry film lubricant
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 24.0 rockwell c minimum and 35.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Shoulder Shape: round first shoulder
Part Name Assigned By Controlling Agency: navy special project
Special Features: dry film lubed shank only per mcair ps18021,class 15
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 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
PBF1263-3-8M	Shoulder Bolt
S11-1065-3-8M	Shoulder Bolt
ST3M49-3-8M	Shoulder Bolt
ST3M494-3-8M	Shoulder Bolt
VS3251-3-8M	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-300-8900?

The FSCG of the NSN 5306-01-300-8900 is 5306

Does the NSN 5306-01-300-8900 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-300-8900 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 5306-01-300-8900 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-300-8900 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 5306-01-300-8900 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, May 20, 1989