1560-01-531-7721

Find complete technical information, availability, and procurement data for: 1560-01-531-7721
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Federal Supply Group

Aerospace Craft and Structural Components

Federal Supply Classification

1560 Airframe Structural Components

National Stock Number

1560-01-531-7721

Item Name Code

31495

Assigment Date

07/21/2005 (20 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.500 inches nominal material thickness, doubler part name assigned by controlling agency, 8.790 inches nominal overall length, 4.100 inches nominal overall width, right side side for which designed

Product Characteristics

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

Overall Length: 8.790 inches nominal
Overall Width: 4.100 inches nominal
Material Thickness: 0.500 inches nominal
Side For Which Designed: right side
Part Name Assigned By Controlling Agency: doubler
Aircraft Location: mod-rib installation,wing trailing edge
Aircraft Mission Design Series: b-52
Special Features: mod includes foil markers and rivets
Material: aluminum alloy 2024
Material Document And Classification: qq-a-250/5 fed spec single material response

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
798-01409-2	Aircraft Structural Plate

FAQs

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

What is the FSCG of the NSN 1560-01-531-7721?

The FSCG of the NSN 1560-01-531-7721 is 1560

Does the NSN 1560-01-531-7721 have a Schedule B code assigned?

Yes, the Schedule B code is 8803909060

Does NSN 1560-01-531-7721 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 1560-01-531-7721 contain precious materials?

Item does not contain precious metal.

Does NSN 1560-01-531-7721 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 1560-01-531-7721 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Jul 21, 2005