5305-00-688-1990

Find complete technical information, availability, and procurement data for: 5305-00-688-1990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-688-1990

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.594 inches minimum and 0.625 inches maximum fastener length, 2a thread class, right-hand thread direction, 0.532 inches minimum and 0.594 inches maximum thread length, round 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: 2a
Thread Direction: right-hand
Thread Length: 0.532 inches minimum and 0.594 inches maximum
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: round
Head Diameter: 0.240 inches minimum and 0.260 inches maximum
Head Height: 0.091 inches minimum and 0.103 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 60000 pounds per square inch
Screw Material: steel
Screw Material Document And Classification: qq-s-634 fed spec single material response or qq-s-637 fed spec single material response or 66 fed std single 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: unc
Nondefinitive Spec/Std Data: 1 type and 1s style

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
125-10491-08	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-688-1990?

The FSCG of the NSN 5305-00-688-1990 is 5305

Does the NSN 5305-00-688-1990 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-688-1990 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 5305-00-688-1990 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-688-1990 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 5305-00-688-1990 was assigned to the Federal Catalog?

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