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Datasheet. MS28782-58CP specification
The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
double spiral
A measurement of the smallest dimension of a cross section,in distinction from length or width.
0.046in. and 0.052in.
A measurement from the bottom to the top of a cross section,in distinction from depth.
0.138in. and 0.156in.
The length of a straight line which passes through the center of the center hole,and terminates at the circumference.
5.250in.
5.724in. and 5.728in.
The national stock number or the identification information of the end equipment for which the item is a part.
seawolf class submarine
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.
zzzy
The name assigned to the item by the government agency or commercial organization controlling the design of the item.
retainer, packing BACK-Up
The chemical compound or mechanical mixture properties of which the item is fabricated.
plastic polytetrafluoroethylene
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.
MIL-R-8791 mil spec single material response
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
special cleaning for oxygen/nitrogen service
Answers.
Plastic polytetrafluoroethylene
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 5330-01-528-8499 BACK-UP RING,PREFORMED PACKING
Used on seawolf class submarine. retainer, packing back-up 5.250" center hole diameter
- NIIN
- 015288499
- NIIN Date
- 03/28/05
- Schedule B
- Name Code
- 66949
- FIIG
- A528B0
- Item Weight
- 0.100lbs
- Item Dimensions
- --
- QUP
- Historical Price
- $43.13 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. | 211007889CP | Cage 03950 |
| 2. | 801-6404589 FIND 12CP | Cage 03950 |
| 3. | DF330618 FIND 12CP | Cage 03950 |
| 4. | CD-023-35-12CP | Cage 03950 |
Major End Users Countries and entities
- - Department of The Navy
Availability for MS28782-58CP A member of our team will provide you with a price and availability quote
Request a Quote »Shipping Information
- Special Handling
- Other or no special handling required (sh)
- LTL (less than a truck load rating)
- 70.0
- 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)
- 194050 GASKETS/RINGS PLUMBING FIXTURES
- UFC (universal freight code)
- 78100
Similar by Design Other back-up rings with similar characteristics
Nothing similar to this part number was found in our inventory
MS28782-58CP / 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.
