8668790

View detailed technical data, stock status, and sourcing information for: 8668790
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-138-5507

Item Name Code

01859

Assigment Date

09/16/1982 (43 years ago)

right-hand thread direction, slotted, hexagon nut style, 0.625 inches nominal first end counterbore diameter, 2b thread class, 0.301 inches minimum and 0.323 inches maximum nut height

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
Counterbore Diameter: 0.625 inches nominal first end
Nut Style: slotted, hexagon
Nut Height: 0.301 inches minimum and 0.323 inches maximum
Nut Counterbore Depth: 0.011 inches minimum and 0.021 inches maximum first end
Width Across Flats: 0.736 inches minimum and 0.750 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Bearing Surface Type: flat
Special Features: must withstand min proof load of 40000 psi
Material: steel comp 1211 or steel comp 1212 or steel comp 1213 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 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

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
8668790	Nut,plain,slotted,hexagon

FAQs

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

What is the FSCG of the NSN 5310-01-138-5507?

The FSCG of the NSN 5310-01-138-5507 is 5310

Does the NSN 5310-01-138-5507 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-138-5507 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 5310-01-138-5507 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-138-5507 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 5310-01-138-5507 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Sep 16, 1982