A-A-55628-9

View detailed technical data, stock status, and sourcing information for: A-A-55628-9

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A-A-55628-9
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-059-9271
Item Name Code
01855
Assigment Date
01/01/1963 (63 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.

1.030 inches nominal nut height, 2b thread class, cap nut style, 0.736 inches minimum and 0.750 inches maximum width across flats, 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
2b
Thread Direction
right-hand
Nut Style
cap
Nut Height
1.030 inches nominal
Width Across Flats
0.736 inches minimum and 0.750 inches maximum
Thread Series
unc
Thread Quantity Per Inch
13
Nominal Thread Size
0.500 inches
Bearing Surface Type
chamfered
Material
steel comp 1018 or steel comp 1020 or steel comp 1118 overall
Material Document And Classification
astm a576 assn std all material responses overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 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
A-A-55628-9 Cap Plain Nut
MS24680-9 Cap Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-059-9271?
The FSCG of the NSN 5310-00-059-9271 is 5310
Does the NSN 5310-00-059-9271 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-059-9271 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 5310-00-059-9271 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-059-9271 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 5310-00-059-9271 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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