CPP1903D001BC4-8

View detailed technical data, stock status, and sourcing information for: CPP1903D001BC4-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-298-4631

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

fillister head style, 0.500 inches nominal fastener length, right-hand thread direction, 2a thread class, 0.450 inches minimum and 0.500 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: 0.450 inches minimum and 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: fillister
Head Diameter: 0.166 inches minimum and 0.183 inches maximum
Head Height: 0.069 inches minimum and 0.079 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Screw Material: copper alloy
Screw Material Document And Classification: qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 4s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-619-5997	No Name Available	01/01/1961

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
20506-142	Machine Screw
328C155B04400C08	Machine Screw
CPP1903D001BC4-8	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-298-4631?

The FSCG of the NSN 5305-00-298-4631 is 5305

Does the NSN 5305-00-298-4631 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-298-4631 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 5305-00-298-4631 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-298-4631 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 5305-00-298-4631 was assigned to the Federal Catalog?

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