NSN 4820-00-397-6057 801449, 00-397-6057, 003976057
Product Details | SPECIAL SHAPED ACTUATOR VALVE DIAPHRAGM
4820-00-397-6057 An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must 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 center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET.20529100042Engine Fuel System Components, Nonaircraft29150064Engine Fuel System Components, Aircraft and Missile Prime Movers42200038Marine Lifesaving and Diving Equipment48100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: 801449, 4820-00-397-6057, 00-397-6057, 4820003976057, 003976057
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-397-6057 | 40088 ( DIAPHRAGM, ACTUATOR VALVE, SPECIAL SHAPED ) |
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Technical Data | NSN 4820-00-397-6057
| Characteristic | Specifications |
|---|---|
| OUTSIDE DIAMETER | 1.990 INCHES NOMINAL |
| CENTER HOLE DIAMETER | 0.312 INCHES NOMINAL |
| SPECIAL FEATURES | 1.239 IN. RAISED PORTION OD |
| MANUFACTURERS CODE | 96487 |
| DESIGN CONTROL REFERENCE | 801449 |
Restrictions/Controls & Freight Information | NSN 4820-00-397-6057
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||