G12 BLACK

View detailed technical data, stock status, and sourcing information for: G12 BLACK
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-836-1807

Item Name Code

15886

Assigment Date

01/01/1962 (64 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

knurled nut style, 2b thread class, 0.305 inches minimum and 0.308 inches maximum small end diameter, left-hand thread direction, 0.309 inches minimum and 0.312 inches maximum nut diameter

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: left-hand
Small End Diameter: 0.305 inches minimum and 0.308 inches maximum
Nut Style: knurled
Nut Diameter: 0.309 inches minimum and 0.312 inches maximum
Nut Thickness: 0.146 inches minimum and 0.166 inches maximum
Knurl Width: 0.078 inches minimum
Small End Length: 0.068 inches minimum and 0.088 inches maximum
Thread Series: unef
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.250 inches
Material: aluminum alloy 2011 overall
Material Document And Classification: qq-a-365/3,t3 fed spec single material response or qq-a-225/3,t3 fed spec single material response overall
Surface Treatment: anodize overall
Surface Treatment Document And Classification: 171,finish 7.2.2 black mil std single treatment response overall
Specification/Standard Data: 18876-9175339 manufacturers source control

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
9175339	Knurled Plain Nut
G12 BLACK	Knurled Plain Nut
MS25381-2BLACK	Knurled Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-836-1807?

The FSCG of the NSN 5310-00-836-1807 is 5310

Does the NSN 5310-00-836-1807 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-836-1807 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 5310-00-836-1807 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-836-1807 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 5310-00-836-1807 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962