L140021-050350

View detailed technical data, stock status, and sourcing information for: L140021-050350
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-619-3242

Item Name Code

18257

Assigment Date

05/24/2013 (13 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

1.25 inches nominal thread length, 2a thread class, hexagon head style, 3.50 inches nominal fastener length, right-hand thread direction

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: 1.25 inches nominal
Fastener Length: 3.50 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.750 inches nominal
End Item Identification: 2355-01-559-0791;2355-01-549-5271
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Part Name Assigned By Controlling Agency: screw,cap,hex head
Material: steel overall
Material Document And Classification: sae j429,gr 8 national std/spec single material response or astm a354,gr bd assn std single material response overall
Surface Treatment Document And Classification: iaw l140020,notes 3,5,6 or 8 mfr ref single treatment response 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
L140021	Hexagon Head Cap Screw
L140021-050350	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-619-3242?

The FSCG of the NSN 5305-01-619-3242 is 5305

Does the NSN 5305-01-619-3242 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-619-3242 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 5305-01-619-3242 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-619-3242 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 5305-01-619-3242 was assigned to the Federal Catalog?

It was assigned 13 years ago, on Fri, May 24, 2013