33D16

View detailed technical data, stock status, and sourcing information for: 33D16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-1698

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

2b thread class, hexagon nut style, right-hand thread direction, 0.306 inches minimum and 0.313 inches maximum width across flats, 0.177 inches minimum and 0.197 inches maximum nut height

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: right-hand
Nut Style: hexagon
Nut Height: 0.177 inches minimum and 0.197 inches maximum
Width Across Flats: 0.306 inches minimum and 0.313 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 32
Hardness Rating: 20.0 rockwell superficial 45-n minimum and 28.0 rockwell superficial 45-n maximum
Nominal Thread Size: 0.190 inches
Countersink Angle: 97.5 degrees minimum and 92.5 degrees maximum nut
Bearing Surface Type: chamfered
Material: steel comp 8740 or steel comp 4140 or steel comp 601 overall
Material Document And Classification: ams 6322 assn std 1st material response or ams 6382 assn std 2nd material response or ams 7459 assn std 3rd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-514-8824	No Name Available	01/01/1960

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
33D16	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-275-1698?

The FSCG of the NSN 5310-00-275-1698 is 5310

Does the NSN 5310-00-275-1698 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-275-1698 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 5310-00-275-1698 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-1698 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 5310-00-275-1698 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963