11503421

View detailed technical data, stock status, and sourcing information for: 11503421
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-159-2771

Item Name Code

41756

Assigment Date

08/05/1983 (43 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

cross recess type 1 internal drive style, 12.20 millimeters minimum and 13.00 millimeters maximum fastener length, 0.9 millimeters minimum and 1.3 millimeters maximum head height, drive head style, 9.5 millimeters minimum and 9.9 millimeters maximum head diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 12.20 millimeters minimum and 13.00 millimeters maximum
Head Style: drive
Head Diameter: 9.5 millimeters minimum and 9.9 millimeters maximum
Head Height: 0.9 millimeters minimum and 1.3 millimeters maximum
Internal Drive Style: cross recess type 1
Features Provided: casehardened
Nonmachine Thread Style: wide flute (type h or bt)
Nonmachine Nominal Thread Diameter: 4.2 millimeters
Material: steel overall
Material Document And Classification: gm 6172-m,fscm 11862 mfr ref single material response overall
Surface Treatment: chromium overall
Surface Treatment Document And Classification: g-4251-m,code 50,fscm 11862 mfr ref single treatment response overall

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
11503284	Tapping Screw
11503421	Tapping Screw
11503593	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-159-2771?

The FSCG of the NSN 5305-01-159-2771 is 5305

Does the NSN 5305-01-159-2771 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-159-2771 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 5305-01-159-2771 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-159-2771 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 5305-01-159-2771 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Aug 5, 1983