5310-01-666-3303

Find complete technical information, availability, and procurement data for: 5310-01-666-3303
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-666-3303

Item Name Code

13393

Assigment Date

09/01/2017 (8 years ago)

"a nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes:nut (1), self-locking, castellated, octagon."

1.055 inches minimum and 1.092 inches maximum hole diameter, round center hole shape style, round peripheral shape style, 0.108 inches minimum and 0.160 inches maximum thickness, rectangular cross-sectional shape style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 1.055 inches minimum and 1.092 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.108 inches minimum and 0.160 inches maximum
Overall Diameter: 1.993 inches minimum and 2.030 inches maximum
End Item Identification: mrap - m-atv
Part Name Assigned By Controlling Agency: washer, flat, inch, mb, hardened, tab
Color: black overall
Material: steel overall
Surface Treatment: phosphate and zinc 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
12605209-032	Flat Washer
4033259032	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-666-3303?

The FSCG of the NSN 5310-01-666-3303 is 5310

Does the NSN 5310-01-666-3303 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-666-3303 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 5310-01-666-3303 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-666-3303 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 5310-01-666-3303 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Fri, Sep 1, 2017