5305-01-120-7738

Find complete technical information, availability, and procurement data for: 5305-01-120-7738
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-120-7738

Item Name Code

06657

Assigment Date

10/22/1981 (44 years ago)

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

1.730 inches minimum and 1.770 inches maximum fastener length, 2a thread class, right-hand thread direction, 1.040 inches nominal thread length, square 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: 1.040 inches nominal
Fastener Length: 1.730 inches minimum and 1.770 inches maximum
Head Style: square
Head Height: 0.308 inches minimum and 0.348 inches maximum
Width Between Flats: 0.725 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Screw Material: steel
Screw Surface Treatment: nickel
Screw Surface Treatment Document And Classification: qq-n-290,class 1,type 4 fed spec single treatment response
Special Features: has .533 in. dia knurl,20 teeth per inch under head
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
10505766	Machine Screw
78419	Machine Screw
M116078419	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-120-7738?

The FSCG of the NSN 5305-01-120-7738 is 5305

Does the NSN 5305-01-120-7738 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-120-7738 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 5305-01-120-7738 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-120-7738 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 5305-01-120-7738 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Oct 22, 1981