171-20

View detailed technical data, stock status, and sourcing information for: 171-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-00-329-1489

Item Name Code

53589

Assigment Date

01/01/1963 (63 years ago)

1.000 inches nominal distance between mounting hole centers, 1.250 inches nominal flange width, 0.166 inches minimum and 0.171 inches maximum inside diameter, 0.033 inches minimum and 0.063 inches maximum flange thickness, 1.250 inches nominal flange length

Product Characteristics

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

Inside Diameter: 0.166 inches minimum and 0.171 inches maximum
Flange Thickness: 0.033 inches minimum and 0.063 inches maximum
Distance Between Mounting Hole Centers: 1.000 inches nominal
Flange Length: 1.250 inches nominal
Flange Width: 1.250 inches nominal
Maximum Load Rating: 2.0 pounds
Distance From Flange To End: 0.250 inches nominal
Shortest Distance Between Mounting Hole Centers: 1.000 inches nominal
Flange Mounting Hole Diameter: 0.141 inches minimum and 0.150 inches maximum
Static Load Rating At Specified Deflection: 2 pound load rating at 0.062 in. deflection
Height: 0.406 inches nominal
Material: aluminum mounting flange plate
Material: aluminum tube
Style Designator: round w/bushing four-hole flange

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-523-6323	No Name Available	01/01/1963

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
171-20	Weapon System Resilient Mount
SB1-2	Weapon System Resilient Mount

FAQs

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

What is the FSCG of the NSN 5342-00-329-1489?

The FSCG of the NSN 5342-00-329-1489 is 5342

Does the NSN 5342-00-329-1489 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5342-00-329-1489 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 5342-00-329-1489 contain precious materials?

Item does not contain precious metal.

Does NSN 5342-00-329-1489 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 5342-00-329-1489 was assigned to the Federal Catalog?

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