MC90298A575

View detailed technical data, stock status, and sourcing information for: MC90298A575
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-601-4263

Item Name Code

22846

Assigment Date

01/19/2012 (14 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

3a thread class, flat fillister head style, 0.437 inches nominal thread length, 0.750 inches nominal fastener length, right-hand thread direction

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: 0.437 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: flat fillister
Head Diameter: 0.437 inches nominal
Head Height: 0.218 inches nominal
Shoulder Diameter: 0.437 inches nominal all shoulders
Shoulder Length: 0.437 inches nominal all shoulders
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 70000 pounds per square inch
Hardness Rating: 55.0 rockwell b minimum overall
Shoulder Shape: round all shoulders
Part Name Assigned By Controlling Agency: type 18-8 stainless steel shoulder screw
Material: steel property class 18.8 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
90298A575	Shoulder Screw
MC90298A575	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-601-4263?

The FSCG of the NSN 5305-01-601-4263 is 5305

Does the NSN 5305-01-601-4263 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-601-4263 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 5305-01-601-4263 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-601-4263 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 5305-01-601-4263 was assigned to the Federal Catalog?

It was assigned 14 years ago, on Thu, Jan 19, 2012