1243457

View detailed technical data, stock status, and sourcing information for: 1243457
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-059-8672

Item Name Code

01852

Assigment Date

05/03/1978 (48 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, right-hand thread direction, 2.000 inches nominal fastener length, 1.000 inches nominal thread length, knurled no. 1 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: 1.000 inches nominal
Fastener Length: 2.000 inches nominal
Head Style: knurled no. 1
Head Diameter: 0.375 inches nominal
Head Height: 0.437 inches nominal
First Diameter From Head: 0.125 inches minimum and 0.135 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.854 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 ty 1 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
1243457	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-059-8672?

The FSCG of the NSN 5305-01-059-8672 is 5305

Does the NSN 5305-01-059-8672 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-059-8672 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 5305-01-059-8672 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-059-8672 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 5305-01-059-8672 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, May 3, 1978