3040-00-004-1057

Find complete technical information, availability, and procurement data for: 3040-00-004-1057
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-00-004-1057

Item Name Code

22101

Assigment Date

05/27/1972 (54 years ago)

A catching device of various shapes and cross sections, which permits motion in only one direction. Designed to engage the teeth or notches of a sector, quadrant, ratchet wheel, or the like. Item is so pivoted that the angle of approach to the interdental engagement causes it to rest more firmly as the reverse load is increased. Item may be spring actuated to cause engagement. Excludes:cam (as modified).

0.495 inches minimum and 0.500 inches maximum material thickness, 12.807 inches minimum and 12.817 inches maximum length from pivot pinhole centerline to point of engagement, 0.5000 inches minimum and 0.5003 inches maximum pivot pin hole diameter, 14.156 inches nominal overall length, casehardened;depth from pivot pinhole centerline to point of engagement:1.781 in.nom;material document and classification:steel,aisi 4340;surface finish:phosphate,mil-p-16232,ty z,cl 3 special features

Product Characteristics

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

Overall Length: 14.156 inches nominal
Material Thickness: 0.495 inches minimum and 0.500 inches maximum
Pivot Pin Hole Diameter: 0.5000 inches minimum and 0.5003 inches maximum
Length From Pivot Pinhole Centerline To Point Of Engagement: 12.807 inches minimum and 12.817 inches maximum
Special Features: casehardened;depth from pivot pinhole centerline to point of engagement:1.781 in.nom;material document and classification:steel,aisi 4340;surface finish:phosphate,mil-p-16232,ty z,cl 3
Style Designator: two holes, pivot opposite lower hook, angled arm

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
2857700	Pawl

FAQs

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

What is the FSCG of the NSN 3040-00-004-1057?

The FSCG of the NSN 3040-00-004-1057 is 3040

Does NSN 3040-00-004-1057 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 3040-00-004-1057 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-00-004-1057 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 3040-00-004-1057 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, May 27, 1972