| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-992-0630 (009920630) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 915D549PC1 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 667J658PC9 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 915D549H01 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 915D549H01 | westinghouse electric corp | seat valve | 88657 | RFQ |
| 915D549PC1 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.875 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM |
| AJFZ | SEAT RADIUS | 0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 1.000 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.875 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 2.000 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.687 INCHES NOMINAL FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.966 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | STEEL BODY |
| MATT | MATERIAL | STEEL SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | DE15-15B MFR REF SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STELLITE HAYNES 6 MFR REF SINGLE MATERIAL RESPONSE SEAT |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
| ZZZV | FSC APPLICATION DATA | STEAM TURBINE,ELECTRIC GENERATION |
| Relevant Components for NSN - 4820-00-992-0630, 4820009920630 | ||||
| 4820-01-695-0145 (4820016950145) | 4820-01-596-1771 (4820015961771) | 4810-01-187-3363 (4810011873363) | 4810-01-523-6894 (4810015236894) | |
| 4820-00-707-0356 (4820007070356) | 4820-01-568-0815 (4820015680815) | 4820-01-227-9365 (4820012279365) | 4820-01-104-8145 (4820011048145) | |
| 4820-01-299-5713 (4820012995713) | 4820-01-640-9566 (4820016409566) | 4810-01-346-0666 (4810013460666) | 4820-01-655-5932 (4820016555932) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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