5305-00-237-6488

Find complete technical information, availability, and procurement data for: 5305-00-237-6488
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-237-6488

Item Name Code

06657

Assigment Date

11/06/1970 (55 years ago)

3a thread class, 1.320 inches minimum and 1.380 inches maximum fastener length, right-hand thread direction, pan head style, 1.249 inches minimum and 1.380 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: 3a
Thread Direction: right-hand
Thread Length: 1.249 inches minimum and 1.380 inches maximum
Fastener Length: 1.320 inches minimum and 1.380 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp 8630 or steel comp 4037
Screw Material Document And Classification: mil-s-6050sjgcams 6300 mil spec 1st material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas604 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-619-2015	No Name Available	08/01/1992

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
NAS604-22P	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-237-6488?

The FSCG of the NSN 5305-00-237-6488 is 5305

Does the NSN 5305-00-237-6488 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-237-6488 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 5305-00-237-6488 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-237-6488 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 5305-00-237-6488 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Nov 6, 1970