1560-00-446-6374

Find complete technical information, availability, and procurement data for: 1560-00-446-6374
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Federal Supply Group

Aerospace Craft and Structural Components

Federal Supply Classification

1560 Airframe Structural Components

National Stock Number

1560-00-446-6374

Item Name Code

77777

Assigment Date

01/01/1963 (63 years ago)

A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.

aluminum alloy qq-a-601 alloy 356-t6 anodized bps fw4001 plate,aluminumalloy comp 2024-t4 or t351 anodized bps fw4001 ring,shape hexagon w/extension at 72.0 deg,dim.,1.600 in. nom o/a thk,11.670 in. nom o/a lg,6.970 in. nomdistance across hex flats,5.550 in. nom center internal flange id by 0.500 in. w,5.750 in. min,5.755 in. max leftid counterbore by 0.600 in. deep,6.248in. min,6.253 in. max right id counterbore by 0.500 in. deep,six mounting holes 0.318 in. dia equally spaced on 3.562 in. bolt circle dia,3.500 in. nom extension w,1.750 in. end radius,0.930in. nom thk,2.800 in. id counterbore by 0.830 in. deep,one center extensiontapped w/0.250-18 unf class 3b threads0.380 in. deep,ring insert dim.,5.7645in. nom od,5.450 in. nom id,0.565 in. nom lg,item used on hub assy main rotor outboard section general characteristics item description

Product Characteristics

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

General Characteristics Item Description: aluminum alloy qq-a-601 alloy 356-t6 anodized bps fw4001 plate,aluminumalloy comp 2024-t4 or t351 anodized bps fw4001 ring,shape hexagon w/extension at 72.0 deg,dim.,1.600 in. nom o/a thk,11.670 in. nom o/a lg,6.970 in. nomdistance across hex flats,5.550 in. nom center internal flange id by 0.500 in. w,5.750 in. min,5.755 in. max leftid counterbore by 0.600 in. deep,6.248in. min,6.253 in. max right id counterbore by 0.500 in. deep,six mounting holes 0.318 in. dia equally spaced on 3.562 in. bolt circle dia,3.500 in. nom extension w,1.750 in. end radius,0.930in. nom thk,2.800 in. id counterbore by 0.830 in. deep,one center extensiontapped w/0.250-18 unf class 3b threads0.380 in. deep,ring insert dim.,5.7645in. nom od,5.450 in. nom id,0.565 in. nom lg,item used on hub assy main rotor outboard section

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
204-011-125-001	Plate Assembly
204-011-125-1	Plate Assembly

FAQs

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

What is the FSCG of the NSN 1560-00-446-6374?

The FSCG of the NSN 1560-00-446-6374 is 1560

Does the NSN 1560-00-446-6374 have a Schedule B code assigned?

Yes, the Schedule B code is 8803300060

Does NSN 1560-00-446-6374 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1560-00-446-6374 contain precious materials?

Item does not contain precious metal.

Does NSN 1560-00-446-6374 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 1560-00-446-6374 was assigned to the Federal Catalog?

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