MS16992-540

View detailed technical data, stock status, and sourcing information for: MS16992-540
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-406-9218

Item Name Code

36433

Assigment Date

04/29/1970 (56 years ago)

An externally threaded fastener having a square or hexagon head and with a continuous thread (wood screw type or fetter type) extending from a gimlet or cone point for a distance of slightly more than one-half the length of the screw.

1.250 inches nominal fastener length, 0.260 inches minimum and 0.388 inches maximum first shoulder shoulder diameter, hexagon head style, 0.544 inches minimum and 0.562 inches maximum width between flats, 0.226 inches minimum and 0.268 inches maximum head height

Product Characteristics

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

Fastener Length: 1.250 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.268 inches maximum
Width Between Flats: 0.544 inches minimum and 0.562 inches maximum
Shoulder Diameter: 0.260 inches minimum and 0.388 inches maximum first shoulder
Shoulder Length: 0.125 inches minimum first shoulder
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 60.0 rockwell b minimum overall
Nonmachine Thread Style: gimlet point (type a, ab or ba)
Nonmachine Nominal Thread Diameter: 0.375 inches
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: ff-b-561,grade b fed spec single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm a153-60 assn std single treatment response overall
Nondefinitive Spec/Std Data: 1 type and 1 style and b grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-689-7105	No Name Available	07/30/1970

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
MS16992-540	Lag Screw

FAQs

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

What is the FSCG of the NSN 5305-00-406-9218?

The FSCG of the NSN 5305-00-406-9218 is 5305

Does the NSN 5305-00-406-9218 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-406-9218 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 5305-00-406-9218 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-406-9218 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 5305-00-406-9218 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, Apr 29, 1970