NSN 4820-00-304-3931 255751PC7, 255753PC7, 255773PC7
Product Details | VALVE SEAT
4820-00-304-3931 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered
Part Alternates: 255751PC7, 255753PC7, 255773PC7, 4820-00-304-3931, 00-304-3931, 4820003043931, 003043931
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 12 OCT 1973 | 00-304-3931 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-304-3931
Demand History | NSN 4820-00-304-3931
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 4820-00-304-3931 | 2016-09-259 | 452 | DIBBS |
| 4820-00-304-3931 | 2014-04-118 | 297 | DIBBS |
| 4820-00-304-3931 | 2014-04-105 | 297 | DIBBS |
| 4820-00-304-3931 | 2011-07-188 | 127 | DIBBS |
| 4820-00-304-3931 | 2008-12-345 | 74 | DIBBS |
| 4820-00-304-3931 | 2008-11-317 | 99 | DIBBS |
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Technical Data | NSN 4820-00-304-3931
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B6 PLAIN |
| OVERALL HEIGHT | 0.244 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.873 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 0.375 INCHES NOMINAL |
| MATERIAL | PLASTIC POLYAMIDE OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | ANGULAR |
| SEAT ANGLE IN DEG | ANY ACCEPTABLE |
Restrictions/Controls & Freight Information | NSN 4820-00-304-3931
| 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: | 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 |
|---|---|---|
| NMF Description | 051080 | FAUCETS,BIBCOCKS,GATES VALVES |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| 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 4820-00-304-3931
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 |