540-011-138-3

View detailed technical data, stock status, and sourcing information for: 540-011-138-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-788-6059

Item Name Code

15887

Assigment Date

01/01/1960 (66 years ago)

3b thread class, 1.150 inches minimum and 1.170 inches maximum nut diameter, left-hand thread direction, 0.396 inches minimum and 0.416 inches maximum nut thickness, round nut style

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: left-hand
Nut Style: round
Nut Diameter: 1.150 inches minimum and 1.170 inches maximum
Nut Thickness: 0.396 inches minimum and 0.416 inches maximum
Width Across Flats: 0.986 inches minimum and 1.002 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Countersink Angle: 110.0 degrees nominal nut
Material: steel comp 4140 overall
Material Document And Classification: mil-s-5626,cond d1 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 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
540-011-138-3	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-788-6059?

The FSCG of the NSN 5310-00-788-6059 is 5310

Does the NSN 5310-00-788-6059 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-788-6059 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 5310-00-788-6059 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-788-6059 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 5310-00-788-6059 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960