5310-01-121-8186

Find complete technical information, availability, and procurement data for: 5310-01-121-8186
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-121-8186

Item Name Code

15887

Assigment Date

11/10/1981 (44 years ago)

1.380 inches minimum and 1.382 inches maximum second end counterbore diameter, round nut style, 1.265 inches minimum and 1.267 inches maximum first end counterbore diameter, left-hand thread direction, 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: left-hand
Counterbore Diameter: 1.265 inches minimum and 1.267 inches maximum first end
Counterbore Diameter: 1.380 inches minimum and 1.382 inches maximum second end
Nut Style: round
Nut Diameter: 1.748 inches minimum and 1.750 inches maximum
Nut Thickness: 1.562 inches nominal
Nut Counterbore Depth: 0.250 inches nominal second end
Drilled Hole Diameter: 0.281 inches nominal
Hole Type And Quantity: 2 drilled and 2 tapped
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.375 inches
Hole Thread Quantity Per Inch: 20
Hole Configuration Style: configuration f
Hole Nominal Thread Diameter: 0.250 inches
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281, cl a fed spec single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-133-4394	No Name Available	08/01/1996

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
382339-01	Round Plain Nut
382339-01AP	Round Plain Nut
382339-1	Round Plain Nut
382339-1PH	Round Plain Nut
55-22018-24A	Round Plain Nut
RY-173734 ITEM 8	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-121-8186?

The FSCG of the NSN 5310-01-121-8186 is 5310

Does the NSN 5310-01-121-8186 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-121-8186 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 5310-01-121-8186 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-121-8186 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 5310-01-121-8186 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981