7M20A-16

View detailed technical data, stock status, and sourcing information for: 7M20A-16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-121-5527

Item Name Code

15887

Assigment Date

11/06/1981 (44 years ago)

A plain nut on which has been assembled a nonremovable washer.

round nut style, 1.492 inches minimum and 1.508 inches maximum nut diameter, 3b thread class, right-hand thread direction, 0.110 inches minimum and 0.130 inches maximum drive point depth

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
Drive Point Depth: 0.110 inches minimum and 0.130 inches maximum
Nut Style: round
Nut Diameter: 1.492 inches minimum and 1.508 inches maximum
Nut Thickness: 0.250 inches minimum and 0.270 inches maximum
Drive Point Width: 0.120 inches minimum and 0.135 inches maximum
Drive Point Quantity: 4
Drilled Hole Diameter: 0.063 inches minimum and 0.068 inches maximum
Hole Type And Quantity: 4 drilled
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.000 inches
Hole Configuration Style: configuration j
Countersink Angle: 80.0 degrees minimum and 100.0 degrees maximum nut
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-200/3,t851 fed spec single material response or qq-a-225/6,except temper t62 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: mil-a-8625,ty 2,cl 1 mil spec single treatment response overall
Specification/Standard Data: 76301-7-20 manufacturers standard

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
7M20A-16	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-121-5527?

The FSCG of the NSN 5310-01-121-5527 is 5310

Does the NSN 5310-01-121-5527 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-01-121-5527 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 5310-01-121-5527 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-121-5527 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 5310-01-121-5527 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Nov 6, 1981