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Datasheet. N1444-90 8-141 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
contoured face solid
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.
-40.0 deg fahrenheit and 250.0 deg fahrenheit
A measurement from the bottom to the top of a cross section,in distinction from depth.
0.053in.
The length of a straight line which passes through the center of the center hole,and terminates at the circumference.
0.045in.
0.086in.
Answers.
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 5330-01-596-8445 BACK-UP RING,PREFORMED PACKING
0.045" center hole diameter
- NIIN
- 015968445
- NIIN Date
- 05/25/11
- 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
Major End Users Countries and entities
- - Spain
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N1444-90 8-141 / 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.
