MS16997-198

View detailed technical data, stock status, and sourcing information for: MS16997-198
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part MS16997-198 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-984-0237

Item Name Code

16282

Assigment Date

01/01/1962 (64 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.

4.420 inches minimum and 4.500 inches maximum fastener length, 2.420 inches minimum and 3.000 inches maximum thread length, right-hand thread direction, flat chamfer head style, 3a thread class

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: 2.420 inches minimum and 3.000 inches maximum
Fastener Length: 4.420 inches minimum and 4.500 inches maximum
Head Style: flat chamfer
Head Diameter: 1.107 inches minimum and 1.125 inches maximum
Head Height: 0.740 inches minimum and 0.750 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.750 inches
Width Across Flats: 0.625 inches minimum and 0.631 inches maximum
Thread Quantity Per Inch: 10
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 6 type

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
MS16997-198	Socket Head Cap Screw
NAS1352-12-72P	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-984-0237?

The FSCG of the NSN 5305-00-984-0237 is 5305

Does the NSN 5305-00-984-0237 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-984-0237 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 5305-00-984-0237 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-984-0237 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 5305-00-984-0237 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962