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Datasheet. 21902 specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
plain rectangular, straight face
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.
0.365in. and 0.370in.
A measurement of the smallest dimension of the material,in distinction from length or width.
0.024in. and 0.026in.
The style designation indicating the configuration that most nearly corresponds to the appearance of the ring.
concentric
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
90 degree v notch in central hole
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic tetrafluoroethylene
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.
valve, reset, powered
Answers.
1EA
Plastic tetrafluoroethylene
Concentric
0.024 inches minimum and 0.026 inches maximum
0.365 inches minimum and 0.370 inches maximum
Schedule B number: 8412909005
nmfc 156600
Parts of linear acting hydraulic power engines and motors
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 5330-01-049-2371 RING,WIPER
90 degree v notch in central hole concentric ring style 0.024" material thickness 0.365" outside diameter
- NIIN
- 010492371
- NIIN Date
- 10/13/77
- Schedule B
- 8412909005
- Name Code
- 20256
- FIIG
- A08400
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $161.55 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
Major End Users Countries and entities
- - Department of The Navy
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- 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)
- Food sercive equipment, (mkt), field ranges, vacuum cans, beverage containers, etc
- NMFC (national motor freight code)
- 156600 PLASTIC/RUBBER ARTICLE VIZ:
- UFC (universal freight code)
- 77670
Similar by Design Other rings with similar characteristics
Nothing similar to this part number was found in our inventory
21902 / Ring,wiperWhat is the formal definition of this item?
A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. it is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. excludes packing, preformed; ring, piston; and seal ring, metal.
