AS5178J20

View detailed technical data, stock status, and sourcing information for: AS5178J20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-935-3726

Item Name Code

01857

Assigment Date

02/14/1968 (58 years ago)

0.390 inches minimum and 0.422 inches maximum nut height, hexagon nut style, 1.922 inches minimum and 1.954 inches maximum width across flats, right-hand thread direction, 3b thread class

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.390 inches minimum and 0.422 inches maximum
Width Across Flats: 1.922 inches minimum and 1.954 inches maximum
Thread Series: un
Thread Quantity Per Inch: 1a
Nominal Thread Size: 1.625 inches
Countersink Angle: 90.0 degrees nominal nut
Bearing Surface Type: chamfered
Material: steel corrosion resisting overall
Material Document And Classification: qq-s-763 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-s-5002 mil spec 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
AN924-20J	Hexagon Plain Nut
AS5178J20	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-935-3726?

The FSCG of the NSN 5310-00-935-3726 is 5310

Does the NSN 5310-00-935-3726 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-935-3726 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 5310-00-935-3726 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-935-3726 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 5310-00-935-3726 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 14, 1968