NSN 4820-00-956-1486 591608, 591-608, 60591PC608
Product Details | VALVE SEAT
4820-00-956-1486 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: 591608, 591-608, 60591PC608, 60-591PC608, 60773PC608, 60-773PC608, 4820-00-956-1486, 00-956-1486, 4820009561486, 009561486
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 11 MAY 1966 | 00-956-1486 | 22113 ( SEAT, VALVE ) |
Drawings & Photos | NSN 4820-00-956-1486
Demand History | NSN 4820-00-956-1486
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 60-591PC608 | 2026-02-40 | 13 | DIBBS |
| 60-591PC608 | 2026-02-36 | 5 | DIBBS |
| 60-591PC608 | 2026-01-06 | 13 | DIBBS |
| 60-591PC608 | 2025-09-265 | 13 | DIBBS |
| 60-591PC608 | 2025-09-254 | 13 | DIBBS |
| 60-591PC608 | 2025-04-100 | 13 | DIBBS |
| 60-591PC608 | 2025-03-89 | 13 | DIBBS |
| 60-591PC608 | 2024-08-235 | 13 | DIBBS |
| 60-591PC608 | 2024-05-123 | 13 | DIBBS |
| 60-591PC608 | 2024-03-72 | 12 | DIBBS |
| 4820-00-956-1486 | 2023-05-145 | 6 | DIBBS |
| 4820-00-956-1486 | 2017-03-61 | 14 | DIBBS |
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Related Products | NSN 4820-00-956-1486
Technical Data | NSN 4820-00-956-1486
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | B14 PLAIN FLANGED |
| FLANGE DIAMETER | 2.805 INCHES MINIMUM AND 2.810 INCHES MAXIMUM |
| BODY OUTSIDE DIAMETER | 2.303 INCHES MINIMUM AND 2.304 INCHES MAXIMUM |
| BODY INSIDE DIAMETER | 1.306 INCHES MINIMUM AND 1.307 INCHES MAXIMUM |
| FLANGE SEAT TO DISK END HEIGHT | 0.467 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| UNDER FLANGE HEIGHT | 0.469 INCHES NOMINAL |
| MATERIAL | STEEL BODY COBALT ALLOY FACE |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE BODY MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE |
| HARDNESS RATING | NOT RATED |
| SEATING SURFACE SHAPE | FLAT |
| MANUFACTURERS CODE | 27235 |
| DESIGN CONTROL REFERENCE | 60-591PC608 |
Restrictions/Controls & Freight Information | NSN 4820-00-956-1486
| 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 | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 4820-00-956-1486
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 |