NSN 4820-00-723-5783 11978, 00-723-5783, 007235783
Product Details | VALVE SEAT
4820-00-723-5783 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: 11978, 4820-00-723-5783, 00-723-5783, 4820007235783, 007235783
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1963 | 00-723-5783 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-723-5783
Demand History | NSN 4820-00-723-5783
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 11978 | 2025-11-324 | 529 | DIBBS |
| 11978 | 2025-10-287 | 1712 | DIBBS |
| 11978 | 2024-10-288 | 263 | DIBBS |
| 11978 | 2024-09-250 | 453 | DIBBS |
| 11978 | 2024-06-176 | 453 | DIBBS |
| 11978 | 2024-06-165 | 453 | DIBBS |
| 11978 | 2023-09-254 | 669 | DIBBS |
| 11978 | 2023-08-241 | 669 | DIBBS |
| 11978 | 2023-08-229 | 669 | DIBBS |
| 11978 | 2022-07-209 | 451 | DIBBS |
| 4820-00-723-5783 | 2017-03-75 | 1116 | DIBBS |
| 4820-00-723-5783 | 2016-05-132 | 509 | DIBBS |
| 4820-00-723-5783 | 2016-05-124 | 509 | DIBBS |
| 4820-00-723-5783 | 2015-06-172 | 965 | DIBBS |
| 4820-00-723-5783 | 2015-03-77 | 434 | DIBBS |
| 4820-00-723-5783 | 2013-11-308 | 541 | DIBBS |
| 4820-00-723-5783 | 2013-05-141 | 401 | DIBBS |
| 4820-00-723-5783 | 2012-02-52 | 568 | DIBBS |
| 4820-00-723-5783 | 2011-06-159 | 342 | DIBBS |
| 4820-00-723-5783 | 2011-05-130 | 68 | DIBBS |
| 4820-00-723-5783 | 2011-03-88 | 168 | DIBBS |
| 4820-00-723-5783 | 2011-03-80 | 119 | DIBBS |
| 4820-00-723-5783 | 2010-12-343 | 14 | DIBBS |
Cross Reference | NSN 4820-00-723-5783
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 11978 | 99643 | EATON CORPORATION DBA EATON AEROSPACE |
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Related Products | NSN 4820-00-723-5783
Technical Data | NSN 4820-00-723-5783
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B14 PLAIN FLANGED |
| FLANGE DIAMETER | 0.375 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.250 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 0.039 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.095 INCHES NOMINAL |
| UNDER FLANGE HEIGHT | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| BODY STEPPED INSIDE DIAMETER | 0.156 INCHES NOMINAL FIRST STEP 0.039 INCHES MINIMUM AND 0.040 INCHES MAXIMUM SECOND STEP |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY |
| SEATING SURFACE SHAPE | FLAT |
| SPECIAL FEATURES | FLANGE DIA 0.3740 IN. MIN,FLANGE DIA 0.3745 IN. MAX |
Restrictions/Controls & Freight Information | NSN 4820-00-723-5783
| 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 | 146150 | GUN CARRAIGE/GUN MOUNT PARTS NOI |
| Less than car load rating | M | 85 |
| Less than truck load rating | M | 85.0 |
| Water commodity Code | 685 | unknown |
| Originating Activity Code | XX | |
| 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 4820-00-723-5783
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |