752 523

View detailed technical data, stock status, and sourcing information for: 752 523
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-208-3747

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

0.281 inches nominal nut height, right-hand thread direction, 0.045 inches minimum and 0.050 inches maximum drilled hole diameter, hexagon nut style, 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: 0.281 inches nominal
Drilled Hole Diameter: 0.045 inches minimum and 0.050 inches maximum
Hole Type And Quantity: 3 drilled
Width Across Flats: 0.615 inches minimum and 0.627 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 20
Hardness Rating: 34.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 0.438 inches
Hole Configuration Style: configuration b
Countersink Angle: 110.0 degrees nominal both ends
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758,condition f-4 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas509 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-298-9257	No Name Available	08/25/1971

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
10116674	Hexagon Plain Nut
2210259	Hexagon Plain Nut
5310PL0145234	Hexagon Plain Nut
752 523	Hexagon Plain Nut
NAS509-7	Hexagon Plain Nut
Z00.N5328158463	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-208-3747?

The FSCG of the NSN 5310-00-208-3747 is 5310

Does the NSN 5310-00-208-3747 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-208-3747 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 5310-00-208-3747 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-208-3747 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 5310-00-208-3747 was assigned to the Federal Catalog?

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