99840-3-320

View detailed technical data, stock status, and sourcing information for: 99840-3-320
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-406-1645

Item Name Code

18421

Assigment Date

04/10/1970 (56 years ago)

A circuit in which one type of microcircuit is combined with some other type of microcircuit or with discrete components. For two microcircuits on a common mounting or on each other, see microcircuit assembly. For microcircuits having a complete independent memory function, see microcircuit (1), memory.

0.413 inches nominal grip length, 0.250 inches nominal diameter, flat countersunk turnlock stud head style, stud shank turnlock stud shank style, 0.311 inches minimum and 0.320 inches maximum material accommodated thickness

Product Characteristics

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

Grip Length: 0.413 inches nominal
Diameter: 0.250 inches nominal
Turnlock Stud Shank Style: stud shank
Turnlock Stud Head Style: flat countersunk
Material Accommodated Thickness: 0.311 inches minimum and 0.320 inches maximum
Drive Type: cross recess
Stud Shank Major Diameter: 0.125 inches nominal
Material: steel comp 1010 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 type 2 class 2 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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
5325-00-282-1941	No Name Available	09/01/1990

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
99840-3-320	Turnlock Fastener Stud

FAQs

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

What is the FSCG of the NSN 5325-00-406-1645?

The FSCG of the NSN 5325-00-406-1645 is 5325

Does the NSN 5325-00-406-1645 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-406-1645 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 5325-00-406-1645 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-406-1645 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 5325-00-406-1645 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Apr 10, 1970