NSN 4820-00-474-0283 N423PC4, N423SH2PC4, NB21639723
Product Details | VALVE SEAT
4820-00-474-0283 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: N423PC4, N423SH2PC4, NB21639723, 15397, 21539723, 4820-00-474-0283, 00-474-0283, 4820004740283, 004740283
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 07 JUN 1974 | 00-474-0283 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-474-0283
Demand History | NSN 4820-00-474-0283
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| N423PC4 | 2020-02-44 | 2 | DIBBS |
| N423SH2PC4 | 2020-02-44 | 2 | DIBBS |
| NB21639723 | 2020-02-44 | 2 | DIBBS |
| N423PC4 | 2019-06-169 | 4 | DIBBS |
| N423SH2PC4 | 2019-06-169 | 4 | DIBBS |
| NB21639723 | 2019-06-169 | 4 | DIBBS |
| N423PC4 | 2019-05-143 | 1 | DIBBS |
| N423SH2PC4 | 2019-05-143 | 1 | DIBBS |
| NB21639723 | 2019-05-143 | 1 | DIBBS |
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Related Products | NSN 4820-00-474-0283
Technical Data | NSN 4820-00-474-0283
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B7 PLAIN FLANGED |
| FLANGE DIAMETER | 2.969 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 2.188 INCHES NOMINAL |
| BODY INSIDE DIAMETER | 1.938 INCHES NOMINAL |
| FLANGE SEAT TO DISK END HEIGHT | 0.328 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.094 INCHES NOMINAL |
| MATERIAL | COPPER ALLOY OVERALL |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | FLAT |
Restrictions/Controls & Freight Information | NSN 4820-00-474-0283
| 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: | Q | Strategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.” |
| 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 | 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 4820-00-474-0283
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 |