4645417 ITEM 3-4

View detailed technical data, stock status, and sourcing information for: 4645417 ITEM 3-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-236-6189

Item Name Code

16282

Assigment Date

07/20/1986 (40 years ago)

right-hand thread direction, 3.500 inches nominal fastener length, flat chamfer head style, 2a thread class, 3.332 inches minimum and 3.500 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: 2a
Thread Direction: right-hand
Thread Length: 3.332 inches minimum and 3.500 inches maximum
Fastener Length: 3.500 inches nominal
Head Style: flat chamfer
Head Diameter: 1.852 inches minimum and 1.875 inches maximum
Head Height: 1.236 inches minimum and 1.250 inches maximum
Hole Diameter: 1.312 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 1.250 inches
Width Across Flats: 0.875 inches nominal
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 12
Minimum Tensile Strength: 170000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 150000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: steel 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
103-4645417 ITEM 3-4	Socket Head Cap Screw
4645417 ITEM 3-4	Socket Head Cap Screw
60-16-5503	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-236-6189?

The FSCG of the NSN 5305-01-236-6189 is 5305

Does the NSN 5305-01-236-6189 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-236-6189 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 5305-01-236-6189 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-236-6189 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 5305-01-236-6189 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sun, Jul 20, 1986