NSN 4820-00-420-8445 1719, 00-420-8445, 004208445
Product Details | VALVE SEAT
4820-00-420-8445 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: 1719, 4820-00-420-8445, 00-420-8445, 4820004208445, 004208445
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 10 MAR 1969 | 00-420-8445 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-420-8445
Demand History | NSN 4820-00-420-8445
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1719 | 2022-11-317 | 6 | DIBBS |
| 4820-00-420-8445 | 2011-11-311 | 4 | DIBBS |
| 4820-00-420-8445 | 2011-08-227 | 4 | DIBBS |
| 4820-00-420-8445 | 2011-01-27 | 7 | DIBBS |
Cross Reference | NSN 4820-00-420-8445
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1719 | 94874 | DROITCOUR COMPANY |
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Related Products | NSN 4820-00-420-8445
Technical Data | NSN 4820-00-420-8445
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B8 PLAIN FLANGED |
| FLANGE DIAMETER | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 0.154 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.066 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.085 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.058 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 440C OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5630 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| SEATING SURFACE SHAPE | FLAT |
| SEAL ACCOMMODATION TYPE | RECESSED |
| III END ITEM IDENTIFICATION | 16508789158,A-7D |
| III FSC APPLICATION DATA | ACFT HYDRAULIC SYSTEM |
| MANUFACTURERS CODE | 94874 |
| DESIGN CONTROL REFERENCE | 1719 |
Restrictions/Controls & Freight Information | NSN 4820-00-420-8445
| 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 | 594 | unknown |
| Originating Activity Code | SX | Oklahoma City Air Logistics Center Tinker AFB, OK 73145-3043 |
| 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 4820-00-420-8445
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 |