AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4810 Valves Powered |
| National Item Identification Number (NIIN) | 00-339-4535 (003394535) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 14F332PC5 | westinghouse electric corp | seat valve | RFQ |
| 27J553PC116 | westinghouse electric corp | seat valve | RFQ |
| 27J527PC44 | westinghouse electric corp | seat valve | RFQ |
| 27J593PC116 | westinghouse electric corp | seat valve | RFQ |
| 25J489PC34 | westinghouse electric corp | seat valve | RFQ |
| 28J373PC140 | westinghouse electric corp | seat valve | RFQ |
| 27J553PC116 | northrop grumman systems corporation | seat valve | RFQ |
| 25J489PC34 | northrop grumman systems corporation | seat valve | RFQ |
| 1109617 | westinghouse electric corp | seat valve | RFQ |
| 28J418PC34 | westinghouse electric corp | seat valve | RFQ |
| 27J529PC44 | northrop grumman systems corporation | seat valve | RFQ |
| 25J485PC140 | northrop grumman systems corporation | seat valve | RFQ |
| 25J641PC163 | westinghouse electric corp | seat valve | RFQ |
| 28J418PC34 | northrop grumman systems corporation | seat valve | RFQ |
| 25J553PC163 | westinghouse electric corp | seat valve | RFQ |
| 28J373PC140 | northrop grumman systems corporation | seat valve | RFQ |
| 25J485PC140 | westinghouse electric corp | seat valve | RFQ |
| 28J398PC122 | westinghouse electric corp | seat valve | RFQ |
| 25J427PC163 | westinghouse electric corp | seat valve | RFQ |
| 28J398PC122 | northrop grumman systems corporation | seat valve | RFQ |
| 27J529PC44 | westinghouse electric corp | seat valve | RFQ |
| 1387343 | westinghouse electric corp | seat valve | RFQ |
| 25J427PC163 | northrop grumman systems corporation | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.438 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.156 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.438 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C NOMINAL BODY |
| MATT | MATERIAL | STEEL BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-18291 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4810-00-339-4535, 4810003394535 | ||||
| 4820-01-573-8320 (4820015738320) | 4820-00-467-8973 (4820004678973) | 4820-01-386-0694 (4820013860694) | 4820-00-757-2955 (4820007572955) | |
| 4820-01-182-4540 (4820011824540) | 4810-00-405-7557 (4810004057557) | 4810-01-714-4038 (4810017144038) | 4820-00-289-3941 (4820002893941) | |
| 4810-01-498-2634 (4810014982634) | 4820-01-153-1851 (4820011531851) | 4820-01-232-8015 (4820012328015) | 4820-01-425-3725 (4820014253725) | |
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