N0300 8-260

N03008260 Preformed Packing Back-up Ring

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Datasheet. N0300 8-260 specification

Cross-sectional Shape Style
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.

contoured face solid

Temp Rating
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 180.0 deg fahrenheit

Cross-sectional Height
A measurement from the bottom to the top of a cross section,in distinction from depth.

0.050in.

Center Hole Diameter
The length of a straight line which passes through the center of the center hole,and terminates at the circumference.

6.518in.

Peripheral Diameter

6.754in.

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

90.0 shore durometer a

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

parbak

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

rubber BUTADIENE-Acrylonitrile class nbr

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

(92697) NO300-90 BUNA-N mfr ref single material response

Answers.

What material is the preformed packing back-up ring made of ?

Rubber butadiene-acrylonitrile class nbr

What is the NSN for N0300 8-260?

5330-01-499-9896

What's the federal classification of N0300 8-260?

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 5330-01-499-9896 BACK-UP RING,PREFORMED PACKING

parbak 6.518" center hole diameter

NIIN
014999896
NIIN Date
08/09/02
Schedule B
 
Name Code
66949
FIIG
A528B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$25.98 EA
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

1. 8-260-N300-90 Cage 34228
2. 8-260 N300-90 Cage 02697
3. 924915 Cage 34228

Major End Users Countries and entities

  • - Department of The Navy 
  • - Netherlands 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Gaskets, (machinery and parts),(less than 35 feet) 
NMFC (national motor freight code)
194120 WASHERS/GASKETS/PCKG DVCS NOI 
UFC (universal freight code)
95100 

Similar by Design Other back-up rings with similar characteristics

Nothing similar to this part number was found in our inventory

N0300 8-260 / 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.