S1665-61769-1

View detailed technical data, stock status, and sourcing information for: S1665-61769-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-721-5770

Item Name Code

29294

Assigment Date

01/01/1963 (63 years ago)

1.531 inches nominal fastener length, 3a thread class, 0.256 inches maximum thread length, right-hand thread direction, fillister 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: 3a
Thread Direction: right-hand
Thread Length: 0.256 inches maximum
Fastener Length: 1.531 inches nominal
Head Style: fillister
Head Diameter: 0.188 inches nominal
Head Height: 0.064 inches nominal
Grip Diameter: 0.1245 inches minimum and 0.1247 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.125 inches
Grip Length: 1.275 inches nominal
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum overall
Surface Finish: 100.0 microinches overall
Material: steel comp 4130 overall
Surface Treatment: cadmium or cadmium and chromate or cadmium and phosphate or oxide 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
S1665-61769-1	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-721-5770?

The FSCG of the NSN 5305-00-721-5770 is 5305

Does the NSN 5305-00-721-5770 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-721-5770 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 5305-00-721-5770 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-721-5770 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 5305-00-721-5770 was assigned to the Federal Catalog?

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