5305-01-188-0641

Find complete technical information, availability, and procurement data for: 5305-01-188-0641
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-188-0641

Item Name Code

06657

Assigment Date

08/31/1984 (41 years ago)

3a thread class, right-hand thread direction, 0.168 inches nominal thread length, fillister head style, 0.230 inches nominal fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.168 inches nominal
Fastener Length: 0.230 inches nominal
Head Style: fillister
Head Diameter: 0.292 inches minimum and 0.313 inches maximum
Head Height: 0.171 inches minimum and 0.181 inches maximum
Hole Diameter: 0.046 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Hole Quantity: 2
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum
Screw Material: steel
Screw Surface Treatment: nickel
Special Features: undercut 0.062 in. long,0.143 in. min dia,0.147 in. max dia
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
398225	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-188-0641?

The FSCG of the NSN 5305-01-188-0641 is 5305

Does the NSN 5305-01-188-0641 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-188-0641 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 5305-01-188-0641 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-188-0641 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 5305-01-188-0641 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Aug 31, 1984