5305-01-028-0186

Find complete technical information, availability, and procurement data for: 5305-01-028-0186
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-028-0186

Item Name Code

29294

Assigment Date

09/23/1976 (49 years ago)

0.505 inches minimum and 0.572 inches maximum thread length, right-hand thread direction, flat countersunk head style, 3a thread class, 1.140 inches minimum and 1.187 inches maximum 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: 0.505 inches minimum and 0.572 inches maximum
Fastener Length: 1.140 inches minimum and 1.187 inches maximum
Head Style: flat countersunk
Head Diameter: 0.628 inches minimum and 0.633 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 24.0 rockwell c minimum and 44.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams 5736 assn std single material response 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
3M123-5-10	Close Tolerance Screw
54291-5-10	Close Tolerance Screw
HT1029A-5-10	Close Tolerance Screw
HT123-5-10	Close Tolerance Screw
HT5N-10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-028-0186?

The FSCG of the NSN 5305-01-028-0186 is 5305

Does the NSN 5305-01-028-0186 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-028-0186 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 5305-01-028-0186 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-028-0186 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 5305-01-028-0186 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Sep 23, 1976