| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4810 Valves Powered |
| National Item Identification Number (NIIN) | 00-337-1089 (003371089) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| D15-739PPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-739XPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-6482PC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-6482PC618 | westinghouse electric corp | seat valve | RFQ |
| D15-769VPC568 | northrop grumman systems corporation | seat valve | RFQ |
| D15-648XPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-648BPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-648XPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-769PPC568 | northrop grumman systems corporation | seat valve | RFQ |
| D15-769BPC568 | northrop grumman systems corporation | seat valve | RFQ |
| D15-769WPC568 | westinghouse electric corp | seat valve | RFQ |
| D15-739ZPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-739BPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-739XPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-648BPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-769WPC568 | northrop grumman systems corporation | seat valve | RFQ |
| D15-739PPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-769PPC568 | westinghouse electric corp | seat valve | RFQ |
| D15-648YPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-769VPC568 | westinghouse electric corp | seat valve | RFQ |
| D15-648YPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-739YPC618 | northrop grumman systems corporation | seat valve | RFQ |
| 40120 | northrop grumman systems corporation | seat valve | RFQ |
| 40120 | westinghouse electric corp | seat valve | RFQ |
| D15-739YPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-648PPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-648AAPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-648AAPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-739BPC618 | westinghouse electric corp | seat valve | RFQ |
| D15-648PPC618 | northrop grumman systems corporation | seat valve | RFQ |
| D15-769BPC568 | westinghouse electric corp | seat valve | RFQ |
| D15-739ZPC618 | westinghouse electric corp | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAR | BODY OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.313 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.625 INCHES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-866,CLASS TS8615 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4810-00-337-1089, 4810003371089 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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