4820-00-331-9974
Find complete technical information, availability, and procurement data for: 4820-00-331-9974
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An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes:diaphragm, valve, special shaped and gasket.
0.550 inches nominal center hole diameter, 4.600 inches nominal outside diameter, 0.500 inches nominal material thickness, 4.000 inches nominal bolt circle diameter, 0.365 inches nominal hole diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 0.365 inches nominal
- Outside Diameter
- 4.600 inches nominal
- Bolt Circle Diameter
- 4.000 inches nominal
- Material Thickness
- 0.500 inches nominal
- Center Hole Diameter
- 0.550 inches nominal
- Bolt Hole Quantity
- 6
- Material
- rubber chloroprene class cr and rubber synthetic
- Style Designator
- flat
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 4940-00-357-0397 | No Name Available | 03/01/1976 |
| 4940-00-430-9780 | No Name Available | 02/01/1979 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 1175PC29 | Flat Valve Diaphragm |
| 1179PC29 | Flat Valve Diaphragm |
| AT67S5103-395642PC29 | Flat Valve Diaphragm |
| AT67S5103-395648PC29 | Flat Valve Diaphragm |
| AT96S5100-395691PC29 | Flat Valve Diaphragm |
| AT96S5100-395697PC7 | Flat Valve Diaphragm |
| E1280PC29 | Flat Valve Diaphragm |
| E1286PC29 | Flat Valve Diaphragm |
| E2363PC6 | Flat Valve Diaphragm |
| E2369PC3 | Flat Valve Diaphragm |
| E2385PC29 | Flat Valve Diaphragm |
| E2391PC7 | Flat Valve Diaphragm |
| JL5248 | Flat Valve Diaphragm |
| K1579 | Flat Valve Diaphragm |
| L467-1 | Flat Valve Diaphragm |
| S5100-403789PC29 | Flat Valve Diaphragm |
| S5100-403793PC29 | Flat Valve Diaphragm |
| S5600-453966PC6 | Flat Valve Diaphragm |
| S5600-453972PC3 | Flat Valve Diaphragm |
FAQs
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Does NSN 4820-00-331-9974 require demilitarization?
Does NSN 4820-00-331-9974 contain precious materials?
Does NSN 4820-00-331-9974 contain hazardous materials?
When the NSN 4820-00-331-9974 was assigned to the Federal Catalog?
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