SM3578

View detailed technical data, stock status, and sourcing information for: SM3578
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-623-1684

Item Name Code

15886

Assigment Date

01/01/1963 (63 years ago)

0.625 inches nominal nut diameter, knurled nut style, right-hand thread direction, 2b thread class, 0.484 inches minimum and 0.516 inches maximum nut thickness

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: knurled
Nut Diameter: 0.625 inches nominal
Nut Thickness: 0.484 inches minimum and 0.516 inches maximum
Hole Type And Quantity: 1 tapped
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Hole Thread Quantity Per Inch: 32
Hole Configuration Style: configuration j
Countersink Angle: 89.0 degrees minimum and 91.0 degrees maximum nut
Hole Nominal Thread Diameter: 0.138 inches
Material: aluminum alloy 2024 or aluminum alloy 2017 overall
Material Document And Classification: qq-a-354 fed spec 1st material response or qq-a-225/4 fed spec 2nd material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: mil-c-5541 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
SM3578	Knurled Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-623-1684?

The FSCG of the NSN 5310-00-623-1684 is 5310

Does the NSN 5310-00-623-1684 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-623-1684 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 5310-00-623-1684 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-623-1684 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 5310-00-623-1684 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963