AA55628-87

View detailed technical data, stock status, and sourcing information for: AA55628-87
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-143-6101

Item Name Code

01855

Assigment Date

09/27/1968 (57 years ago)

An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.

cap nut style, 0.780 inches nominal nut height, right-hand thread direction, 2b thread class, 0.551 inches minimum and 0.563 inches maximum width across flats

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: cap
Nut Height: 0.780 inches nominal
Width Across Flats: 0.551 inches minimum and 0.563 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 24
Hardness Rating: 24.0 rockwell c minimum
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered
Material: steel comp 416 overall
Material Document And Classification: qq-b-613,cqmp 11 fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Nondefinitive Spec/Std Data: 3 type and 14 style

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
AA55628-87	Cap Plain Nut
MS24680-87	Cap Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-143-6101?

The FSCG of the NSN 5310-00-143-6101 is 5310

Does the NSN 5310-00-143-6101 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-143-6101 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 5310-00-143-6101 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-143-6101 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 5310-00-143-6101 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Sep 27, 1968