NSN 4820-01-493-7731 11.1099, 11.1099.009, 111099
Product Details | SAFETY RELIEF VALVE
4820-01-493-7731 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: 11.1099, 11.1099.009, 111099, 4820-01-493-7731, 01-493-7731, 4820014937731, 014937731, 111099009
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 17 JAN 2002 | 01-493-7731 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-493-7731
Demand History | NSN 4820-01-493-7731
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 111099009 | 2024-04-30 | 3 | DIBBS |
| 111099009 | 2023-10-31 | 2 | DIBBS |
| 111099009 | 2023-10-03 | 2 | DIBBS |
| 4820-01-493-7731 | 2023-07-12 | 2 | US |
| 4820-01-493-7731 | 2023-07-08 | 2 | US |
| 111099009 | 2023-07-05 | 2 | DIBBS |
| 111099009 | 2023-04-03 | 6 | DIBBS |
| 111099009 | 2023-02-13 | 6 | DIBBS |
| 111099009 | 2022-10-26 | 1 | DIBBS |
| 111099009 | 2022-10-12 | 3 | DIBBS |
| 111099009 | 2022-09-01 | 1 | DIBBS |
| 111099009 | 2022-07-07 | 1 | DIBBS |
| 4820-01-493-7731 | 2018-12-04 | 1 | DIBBS |
| 4820-01-493-7731 | 2018-09-20 | 1 | DIBBS |
| 4820-01-493-7731 | 2018-06-14 | 1 | DIBBS |
| 4820-01-493-7731 | 2014-12-03 | 3 | DIBBS |
| 4820-01-493-7731 | 2014-11-05 | 3 | DIBBS |
Cross Reference | NSN 4820-01-493-7731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11.1099 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 11.1099 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
| 11.1099.009 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 11.1099.009 | 15187 | PENTAIR VALVES & CONTROLS US LP DBA NAVY PRODUCT TEAM |
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Related Products | NSN 4820-01-493-7731
Technical Data | NSN 4820-01-493-7731
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING BODY STEEL COMP 410 FLOW CONTROL DEVICE RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT STEEL COMP 410 STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B351-CF3M ASSN STD SINGLE MATERIAL RESPONSE BODY ASTM A479 COMP 410 COND A ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE NITRILE 50 DURO MFR REF SINGLE MATERIAL RESPONSE SEAT ASTM A479 COMP 410 COND A ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | A7 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G46B PLAIN ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |
| BONNET TYPE | INSIDE SCREW |
| BONNET ATTACHMENT METHOD | PRESSURE SEAL, RING TYPE |
| DISK LOADING METHOD | SPRING |
| FURNISHED ITEMS AND QUANTITY | 1 LEVER AND 1 LOCKING DEVICE |
| SPECIAL FEATURES | THIS VALVE IS NOT FOR SEAWATER APPLICATIONS. BOTH UNION END CONNECTIONS:OUTLET THREADS 1.062-12 UN-3A, INLET THREADS NOT GIVEN ON DWG. FOR NUCLEAR APPLICATIONS SEE 4820-01-451-7717. |
| SPECIAL TEST FEATURES | HI SHOCK APPROVAL BY EXTENSION SUPSHIP GROTON, CT LTR SER 230E/5248 DATED OCT 9 1996 |
| III END ITEM IDENTIFICATION | W/S LA CLASS SSN (688) |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | MODEL NO 83S44-4/SPL; SET PRESSURE: 20-4000 PSIG; MIL-V-24322 GRADE A; SERVICE: LIQUID RELIEF; CONN: 1/2 IN UNION |
Restrictions/Controls & Freight Information | NSN 4820-01-493-7731
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| 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 |
|---|---|---|
| NMF Description | 127220 | PRESSURE REG/RED/RELIEF VALVES NOI |
| Less than car load rating | ||
| Less than truck load rating | P | 77.5 |
| Water commodity Code | 594 | unknown |
| Originating Activity Code | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4820-01-493-7731
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 3B | Navy-owned stocks of field level repairable DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Reparability | D | Field Level Reparables |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |