| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-678-2828 (006782828) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1JC8956-14 | westinghouse electric corp | seat valve | 88657 | RFQ |
| 1JC8956-14 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 1JH5052PC44 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 674J654PC79 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 906J007PC52 | westinghouse electric corp | seat valve | 88657 | RFQ |
| 906J007PC52 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM |
| ABQA | TAPER MINOR DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| ABQB | TAPER MAJOR DIAMETER | 0.578 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.047 INCHES MINIMUM AND 1.048 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.578 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.682 NOMINAL MILS AND 0.692 NOMINAL CENTIMETERS |
| AJRM | UNDER FLANGE HEIGHT | 0.501 INCHES NOMINAL |
| AJSH | SEAL ACCOMMODATION TYPE | GROOVED |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| MATT | MATERIAL | ROD,WELDING,SURFACING FACE |
| MATT | MATERIAL | STEEL BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-00-678-2828, 4820006782828 | ||||
| 4820-01-572-7837 (4820015727837) | 4820-01-478-2496 (4820014782496) | 4810-01-232-8702 (4810012328702) | 4820-12-340-3271 (4820123403271) | |
| 4820-01-424-4726 (4820014244726) | 4820-00-428-7011 (4820004287011) | 4810-01-707-6012 (4810017076012) | 4820-01-671-9772 (4820016719772) | |
| 4820-00-034-1423 (4820000341423) | 4820-01-160-8232 (4820011608232) | 4820-00-032-4754 (4820000324754) | 4810-01-516-2099 (4810015162099) | |
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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