5305-01-176-9759

Find complete technical information, availability, and procurement data for: 5305-01-176-9759
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-176-9759

Item Name Code

33044

Assigment Date

04/18/1984 (42 years ago)

1.607 inches minimum and 1.627 inches maximum fastener length, flat countersunk head style, 3a thread class, right-hand thread direction, 0.477 inches minimum and 0.636 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: 0.477 inches minimum and 0.636 inches maximum
Fastener Length: 1.607 inches minimum and 1.627 inches maximum
Head Style: flat countersunk
Head Diameter: 0.394 inches minimum and 0.404 inches maximum
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.247 inches minimum and 0.250 inches maximum
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.141 inches minimum and 0.143 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Special Features: hole in threaded end for plug at 0.112 dia. and 0.035 in. to 0.045 in. wide by 0.024 in. to 0.034 in. deep splines at 120 degrees apart
Material: steel comp 8740 or steel comp 4140 overall
Material Document And Classification: mil-s-6049 mil spec single material response or mil-s-5626 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 class 2 fed spec single treatment response overall
Thread Series Designator: unf

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
CA21070-4-14HS	Panel Screw Assembly
GS520CK4-14	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-176-9759?

The FSCG of the NSN 5305-01-176-9759 is 5305

Does the NSN 5305-01-176-9759 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-176-9759 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 5305-01-176-9759 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-176-9759 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 5305-01-176-9759 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Apr 18, 1984