SF20-057-3-21D

View detailed technical data, stock status, and sourcing information for: SF20-057-3-21D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-515-0425

Item Name Code

15903

Assigment Date

11/14/2003 (22 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

right-hand thread direction, 5.146 inches nominal thread length, 3a thread class, 0.188 inches nominal head height, hexagon 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: 3a
Thread Direction: right-hand
Thread Length: 5.146 inches nominal
Head Style: hexagon
Head Height: 0.188 inches nominal
Width Between Flats: 0.110 inches nominal
End Item Identification: 1520-01-125-5476 oh-58d observation helicopter
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.312 inches nominal
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: long thread hex head shear bolt
Color: natural overall
Material: steel overall
Surface Treatment: cadmium 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
120970-3-21D	Shear Bolt
20-057-3-21D	Shear Bolt
20-57-3-21D	Shear Bolt
AIC2057-3-21D	Shear Bolt
ARM11001-3-21D	Shear Bolt
PBF1113-3-21D	Shear Bolt
SC2648-3-21D	Shear Bolt
SF20-057-3-21D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-515-0425?

The FSCG of the NSN 5306-01-515-0425 is 5306

Does the NSN 5306-01-515-0425 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-515-0425 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 5306-01-515-0425 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-515-0425 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 5306-01-515-0425 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Fri, Nov 14, 2003