55&0042&3

View detailed technical data, stock status, and sourcing information for: 55&0042&3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-281-4535

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 3a thread class, 0.484 inches minimum thread length, 0.500 inches nominal fastener length, flat countersunk head style

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: 0.484 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.359 inches minimum and 0.411 inches maximum
Internal Drive Style: hexagon
End Item Identification: mrap rg-33 and rg-33 auv
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.125 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Minimum Yield Strength: 30000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc

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
16991-3C-8	Socket Head Cap Screw
5305002814535	Socket Head Cap Screw
55&0042&3	Socket Head Cap Screw
593-6961210 PC	Socket Head Cap Screw
593-6961210 PC29	Socket Head Cap Screw
MS24671-20	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-281-4535?

The FSCG of the NSN 5305-00-281-4535 is 5305

Does the NSN 5305-00-281-4535 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-281-4535 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 5305-00-281-4535 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-281-4535 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 5305-00-281-4535 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963