NSN 4820-00-975-1898 636E, 00-975-1898, 009751898
Product Details | GATE VALVE
4820-00-975-1898 A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: 636E, 4820-00-975-1898, 00-975-1898, 4820009751898, 009751898
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-975-1898 | 05482 ( VALVE, GATE ) |
Cross Reference | NSN 4820-00-975-1898
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 636E | 14959 | CRANE CO DIV VALVE DIV |
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Technical Data | NSN 4820-00-975-1898
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY STEEL SEAT COPPER ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 410/SAE 51410 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | THREADED INTERNAL PIPE |
| THREAD SERIES DESIGNATOR | NPT |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| STEM TYPE | NONRISING |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | UNION |
| FEATURES PROVIDED | BONNET PACKING |
| SPECIAL FEATURES | 0.250 IN. PIPE SIZE;R.H. THD;19 THDS PER INCH |
Restrictions/Controls & Freight Information | NSN 4820-00-975-1898
| 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: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| 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. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||