123840-5-8

View detailed technical data, stock status, and sourcing information for: 123840-5-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-355-3673

Item Name Code

29294

Assigment Date

03/15/1992 (34 years ago)

A fuse in which the element is inclosed in a cylindrical body. The element may be renewable. The terminals may be of varying types. It may contain a visual indication that the fusible element is severed, and may also provide an audible alarm through auxiliary circuitry. For noncylindrical items, see fuse, inclosed link.

right-hand thread direction, 0.951 inches minimum and 0.998 inches maximum fastener length, flat countersunk head style, 3a thread class, 0.441 inches minimum and 0.508 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: 0.441 inches minimum and 0.508 inches maximum
Fastener Length: 0.951 inches minimum and 0.998 inches maximum
Head Style: flat countersunk
Head Diameter: 0.625 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.490 inches minimum
Thread Quantity Per Inch: 24
Hardness Rating: 46.0 rockwell c minimum and 52.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Material: steel comp h11 overall
Material Document And Classification: ams6487 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: milc8851cl3ty2 mil spec single treatment response overall
Thread Series Designator: unjf

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
123840-5-8	Close Tolerance Screw
642AS1004-5	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-355-3673?

The FSCG of the NSN 5305-01-355-3673 is 5305

Does the NSN 5305-01-355-3673 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-355-3673 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 5305-01-355-3673 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-355-3673 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 5305-01-355-3673 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sun, Mar 15, 1992