2504188-128

View detailed technical data, stock status, and sourcing information for: 2504188-128
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-225-6400

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.281 inches minimum and 0.312 inches maximum fastener length, 2a thread class, flat countersunk head style, right-hand thread direction, 0.262 inches minimum and 0.312 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: 0.262 inches minimum and 0.312 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: flat countersunk
Head Diameter: 0.191 inches minimum and 0.225 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 302 or steel comp 303 or steel comp 304
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: passivate
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-145-0976	No Name Available	09/01/1982
5305-00-157-8303	No Name Available	04/27/1973
5305-00-182-7227	No Name Available	12/14/1970
5305-00-282-8497	No Name Available	10/01/1980
5305-00-637-7026	No Name Available	01/01/1983
5305-00-638-0831	No Name Available	05/17/2001
5305-00-816-1115	No Name Available	01/01/1983
5305-00-845-2031	No Name Available	07/22/1967
5305-00-935-7603	No Name Available	12/12/1971

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FAQs

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

What is the FSCG of the NSN 5305-00-225-6400?

The FSCG of the NSN 5305-00-225-6400 is 5305

Does the NSN 5305-00-225-6400 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-225-6400 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 5305-00-225-6400 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-225-6400 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 5305-00-225-6400 was assigned to the Federal Catalog?

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