5305-01-187-9042

Find complete technical information, availability, and procurement data for: 5305-01-187-9042
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-187-9042

Item Name Code

01852

Assigment Date

08/27/1984 (41 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.

2a thread class, 0.188 inches nominal thread length, pan head style, right-hand thread direction, 0.440 inches minimum 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: 2a
Thread Direction: right-hand
Thread Length: 0.188 inches nominal
Fastener Length: 0.440 inches minimum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
First Diameter From Head: 0.102 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.692 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: oxide film 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
321862-33	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-187-9042?

The FSCG of the NSN 5305-01-187-9042 is 5305

Does the NSN 5305-01-187-9042 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-187-9042 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 5305-01-187-9042 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-187-9042 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 5305-01-187-9042 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Aug 27, 1984