55897

View detailed technical data, stock status, and sourcing information for: 55897
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-340-3731

Item Name Code

22101

Assigment Date

01/01/1963 (63 years ago)

A headed, cylindrically-shaped metal item having a shank and/or shoulder offset from the geometric center of the head. If shouldered, a portion of the shank and/or shoulder may be concentric with the head.

0.050 inches nominal material thickness, 0.1875 inches nominal pivot pin hole diameter, pawl end is bent 90.0 deg from base;hub attached made of copper alloy finished by phosphor bronze;casehardened;depth from pivot pinhole centerline to point of engagement:0.218 in.nom;surface finish:phosphate coated;fsc application data:teletype and facsimile equipment special features, 0.734 inches nominal overall length, 0.156 inches nominal length from pivot pinhole centerline to point of engagement

Product Characteristics

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

Overall Length: 0.734 inches nominal
Material Thickness: 0.050 inches nominal
Pivot Pin Hole Diameter: 0.1875 inches nominal
Length From Pivot Pinhole Centerline To Point Of Engagement: 0.156 inches nominal
Special Features: pawl end is bent 90.0 deg from base;hub attached made of copper alloy finished by phosphor bronze;casehardened;depth from pivot pinhole centerline to point of engagement:0.218 in.nom;surface finish:phosphate coated;fsc application data:teletype and facsimile equipment
Material: steel
Style Designator: two holes, pivot hole engagement end

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
55897	Pawl
55897A	Pawl
SM-B-187239	Pawl

FAQs

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

What is the FSCG of the NSN 3040-00-340-3731?

The FSCG of the NSN 3040-00-340-3731 is 3040

Does NSN 3040-00-340-3731 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 3040-00-340-3731 contain precious materials?

Precious metal content is unknown

Does NSN 3040-00-340-3731 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 3040-00-340-3731 was assigned to the Federal Catalog?

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