2K0512

View detailed technical data, stock status, and sourcing information for: 2K0512
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-982-6812

Item Name Code

05277

Assigment Date

01/01/1962 (64 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

prevailing torque with nonmetallic insert locking feature, 3b thread class, soluble lubricant lubrication, hexagon nut style, right-hand thread direction

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
Locking Feature: prevailing torque with nonmetallic insert
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 1.300 inches minimum and 1.454 inches maximum
Width Across Flats: 1.801 inches minimum and 1.815 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.250 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel comp 1006 or steel comp 1008 or steel comp 1009 or steel comp 1010 or steel comp 1015 or steel comp 1018 or steel comp 1035 or steel comp 11l37 or steel comp 1213 or steel comp 12l14 nut
Surface Treatment: cadmium and chromate overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-050-3373	No Name Available	08/01/1979
5310-00-086-7593	No Name Available	12/05/1969
5310-00-115-6213	No Name Available	07/01/1991
5310-00-188-1948	No Name Available	10/12/2000
5310-00-407-5589	No Name Available	09/01/1979
5310-00-411-2396	No Name Available	07/10/1970
5310-00-584-5026	No Name Available	02/01/1983
5310-00-584-7939	No Name Available	10/01/1988
5310-01-067-4666	No Name Available	10/01/1988
5310-01-193-6868	No Name Available	09/01/1992

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
131-22	Hexagon Self-Locking Nut
18D20	Hexagon Self-Locking Nut
2K0512	Hexagon Self-Locking Nut
2K512	Hexagon Self-Locking Nut
49NE202	Hexagon Self-Locking Nut
961431	Hexagon Self-Locking Nut
F52NE-202	Hexagon Self-Locking Nut
L2235CU	Hexagon Self-Locking Nut
MS21044N2	Hexagon Self-Locking Nut
MS21044N20	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-982-6812?

The FSCG of the NSN 5310-00-982-6812 is 5310

Does the NSN 5310-00-982-6812 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-982-6812 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 5310-00-982-6812 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-982-6812 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 5310-00-982-6812 was assigned to the Federal Catalog?

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