11664903-1

View detailed technical data, stock status, and sourcing information for: 11664903-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-330-6356

Item Name Code

15890

Assigment Date

12/06/1990 (35 years ago)

"a nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped 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, slotted, hexagon."

0.800 inches minimum and 0.820 inches maximum nut height, plain, rectangular nut style, 3.750 inches nominal nut length, left-hand thread direction, 2b thread class

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
Nut Style: plain, rectangular
Nut Length: 3.750 inches nominal
Nut Height: 0.800 inches minimum and 0.820 inches maximum
Nut Width: 1.560 inches nominal
End Item Identification: 2350-01-115-1579
Thread Series: unf
Thread Quantity Per Inch: 14
Hardness Rating: 33.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 1.000 inches
Special Features: two corners cut 1.250in.,one side; chamfer one edge along lg,45.0 deg
Material: steel comp 4140 or steel comp 8640 overall
Material Document And Classification: astm a331,normalized assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 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
11664903-1	Rectangular Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-330-6356?

The FSCG of the NSN 5310-01-330-6356 is 5310

Does the NSN 5310-01-330-6356 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-330-6356 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 5310-01-330-6356 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-330-6356 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 5310-01-330-6356 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, Dec 6, 1990