MS16555-91

View detailed technical data, stock status, and sourcing information for: MS16555-91
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-057-3318

Item Name Code

02390

Assigment Date

03/10/1978 (48 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

radius second end style, chamfered first end style, 0.6251 inches minimum and 0.6253 inches maximum pin overall diameter, 0.078 inches minimum and 0.208 inches maximum second end corner radius, 2.740 inches minimum and 2.760 inches maximum pin overall length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Style: chamfered
Second End Style: radius
Pin Overall Length: 2.740 inches minimum and 2.760 inches maximum
Pin Overall Diameter: 0.6251 inches minimum and 0.6253 inches maximum
Second End Corner Radius: 0.078 inches minimum and 0.208 inches maximum
First End Taper Length: 0.545 inches nominal
Features Provided: casehardened
Second End Relationship With First End: not identical
Hardness Rating: 47.0 rockwell c minimum and 58.0 rockwell c maximum overall
Shear Strength: 78000 double pound
First End Taper Angle: 4.0 degrees minimum and 16.0 degrees maximum
Surface Finish: 16.0 microinches outside diameter
Special Features: radius end may be chamfered 25.0 deg
Material: steel overall
Material Document And Classification: astm a29 assn std single material response overall

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
MS16555-91	Headless Straight Pin

FAQs

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

What is the FSCG of the NSN 5315-01-057-3318?

The FSCG of the NSN 5315-01-057-3318 is 5315

Does the NSN 5315-01-057-3318 have a Schedule B code assigned?

Yes, the Schedule B code is 7319409000

Does NSN 5315-01-057-3318 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 5315-01-057-3318 contain precious materials?

Precious metal content is unknown

Does NSN 5315-01-057-3318 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 5315-01-057-3318 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 10, 1978