4120AF

View detailed technical data, stock status, and sourcing information for: 4120AF
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-00-584-2993

Item Name Code

53589

Assigment Date

01/01/1963 (63 years ago)

An open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends, designed in such a way as to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound, requiring an initial load to be applied to separate them. Excludes:spring,reinforcing hose.

2.375 inches nominal flange length, 1.938 inches nominal distance between mounting hole centers, 2.375 inches nominal flange width, 0.031 inches nominal flange thickness, 1/4-20unc-2b all threaded portions thread size

Product Characteristics

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

Flange Thickness: 0.031 inches nominal
Thread Size: 1/4-20unc-2b all threaded portions
Distance Between Mounting Hole Centers: 1.938 inches nominal
Flange Length: 2.375 inches nominal
Flange Width: 2.375 inches nominal
Shortest Distance Between Mounting Hole Centers: 1.938 inches nominal
Flange Mounting Hole Diameter: 0.196 inches nominal
Height: 1.563 inches nominal
Surface Treatment: anodize base
Surface Treatment: anodize housing
Surface Treatment: passivate cap
Surface Treatment: nickel eyelket
Style Designator: round spring compression four-hole flange
Nondefinitive Spec/Std Data: a class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-329-1336	No Name Available	08/09/1991
5340-00-550-2757	No Name Available	09/13/1968

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
220-20L	Weapon System Resilient Mount
4120AF	Weapon System Resilient Mount
J4797-283	Weapon System Resilient Mount
L64-BA-20-2AES	Weapon System Resilient Mount
MS91418-2AES	Weapon System Resilient Mount

FAQs

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

What is the FSCG of the NSN 5342-00-584-2993?

The FSCG of the NSN 5342-00-584-2993 is 5342

Does the NSN 5342-00-584-2993 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5342-00-584-2993 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 5342-00-584-2993 contain precious materials?

Item does not contain precious metal.

Does NSN 5342-00-584-2993 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 5342-00-584-2993 was assigned to the Federal Catalog?

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