5310-00-945-0559

Find complete technical information, availability, and procurement data for: 5310-00-945-0559
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-945-0559

Item Name Code

05277

Assigment Date

03/04/1966 (60 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes:bearing, washer thrust.

left-hand thread direction, prevailing torque all metal design locking feature, 0.207 inches minimum and 0.217 inches maximum nut height, 3b thread class, hexagon 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
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.207 inches minimum and 0.217 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Bearing Surface Type: washer faced
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 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
53085-428	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-945-0559?

The FSCG of the NSN 5310-00-945-0559 is 5310

Does the NSN 5310-00-945-0559 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-945-0559 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 5310-00-945-0559 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-945-0559 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 5310-00-945-0559 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 4, 1966