NSN 4820-01-301-9898 7977902B, 79779-02B, 81M-3EP 2IN 250PSI
Product Details | CHECK VALVE
4820-01-301-9898 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Part Alternates: 7977902B, 79779-02B, 81M-3EP 2IN 250PSI, 81M3EP2IN250PSI, 4820-01-301-9898, 01-301-9898, 4820013019898, 013019898
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 07 JUN 1989 | 01-301-9898 | 05487 ( VALVE, CHECK ) |
Drawings & Photos | NSN 4820-01-301-9898
Demand History | NSN 4820-01-301-9898
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 79779-02B | 2025-08-219 | 1 | DIBBS |
| 81M-3EP 2IN 250PSI | 2025-08-219 | 1 | DIBBS |
| 79779-02B | 2022-07-209 | 1 | DIBBS |
| 81M-3EP 2IN 250PSI | 2022-07-209 | 1 | DIBBS |
| 79779-02B | 2020-11-308 | 3 | DIBBS |
| 81M-3EP 2IN 250PSI | 2020-11-308 | 3 | DIBBS |
| 79779-02B | 2020-10-296 | 1 | DIBBS |
| 81M-3EP 2IN 250PSI | 2020-10-296 | 1 | DIBBS |
| 79779-02B | 2020-10-295 | 2 | DIBBS |
| 81M-3EP 2IN 250PSI | 2020-10-295 | 2 | DIBBS |
| 79779-02B | 2020-09-261 | 1 | DIBBS |
| 81M-3EP 2IN 250PSI | 2020-09-261 | 1 | DIBBS |
| 79779-02B | 2019-10-297 | 1 | DIBBS |
| 81M-3EP 2IN 250PSI | 2019-10-297 | 1 | DIBBS |
| 4820-01-301-9898 | 2015-11-307 | 1 | DIBBS |
| 4820-01-301-9898 | 2015-09-250 | 1 | DIBBS |
| 4820-01-301-9898 | 2015-08-235 | 1 | DIBBS |
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Related Products | NSN 4820-01-301-9898
Technical Data | NSN 4820-01-301-9898
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY |
| STYLE DESIGNATOR | A2A STRAIGHT THRU FLANGED ENDS |
| VALVE SIZE | 2.000 INCHES |
| FACE TO FACE DISTANCE | 10.000 INCHES |
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE ALL ENDS |
| FLANGE SHAPE | ROUND WITH HOLES ALL ENDS |
| NOMINAL OUTSIDE DIAMETER | 5.562 INCHES ALL ENDS |
| NOMINAL THICKNESS | 0.438 INCHES ALL ENDS |
| BOLT HOLE QUANTITY | 6 ALL ENDS |
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS |
| BOLT CIRCLE NOMINAL DIAMETER | 4.438 INCHES ALL ENDS |
| FLANGE FACE DESIGN | PLAIN ALL ENDS |
| MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: DIAPHRAGM |
Restrictions/Controls & Freight Information | NSN 4820-01-301-9898
| 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. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 576 | 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 | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| 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 4820-01-301-9898
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of 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 |
| 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 |