5305-01-077-3888

Find complete technical information, availability, and procurement data for: 5305-01-077-3888
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-077-3888

Item Name Code

06672

Assigment Date

05/23/1979 (47 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

headless (setscrew) head style, 3a thread class, right-hand thread direction, 0.430 inches minimum and 0.446 inches maximum thread length, 0.625 inches nominal fastener 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: 0.430 inches minimum and 0.446 inches maximum
Fastener Length: 0.625 inches nominal
Head Style: headless (setscrew)
Point Length: 0.179 inches minimum and 0.195 inches maximum
Point Diameter: 0.149 inches minimum and 0.156 inches maximum
Point Style: dog
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.125 inches nominal
Thread Quantity Per Inch: 20
Special Features: hole in threads 0.070 in. dia 0.120 in. from drive end
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl 2 fed spec single treatment response 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
90700-1	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-077-3888?

The FSCG of the NSN 5305-01-077-3888 is 5305

Does the NSN 5305-01-077-3888 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-077-3888 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 5305-01-077-3888 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-077-3888 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 5305-01-077-3888 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, May 23, 1979