851881

851881 Preformed Packing Back-up Ring

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Datasheet. 851881 specification

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

40 lightning/40 lightning xr 40 seapro/marathon - power trim components

Answers.

What is the NSN for 851881?

5330-01-538-4452

What's the federal classification of 851881?

FSC 5330 ⁓ Packing and gasket materials

Note-this fsc includes only seals and gaskets designed for standard use. seals, gaskets and packing are made from materials specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals, liquids, and used to fill a cavity and create a tight seal. similar materials used to make seals, gaskets, and packing are available in bulk form, refer to fsg 93, fsg 80, and fsg 83.

Excluding o-rings (fsc 5331); bulk material items, such as; rubber, cork, and asbestos sheets and strips (fsg 93); liquid gasket materials (rtv, permatex, etc.) (fsg 80); rfi and emi seals and gaskets (fsc 5999), and all seal retainers.

NSN 5330-01-538-4452 BACK-UP RING,PREFORMED PACKING

Used on 40 lightning/40 lightning xr 40 seapro/marathon - power trim components.

NIIN
015384452
NIIN Date
03/22/06
Schedule B
 
Name Code
66949
FIIG
A528B0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Australia 

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Similar by Design Other back-up rings with similar characteristics

Nothing similar to this part number was found in our inventory

851881 / Back-up ring,preformed packingWhat is the formal definition of this item?

A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. it prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.