| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-399-4472 (003994472) |
| NCB Code | USA (00) |
| Manufacturer | Westinghouse Electric Corp, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 1-JH-2856PIECE48 | westinghouse electric corp | seat valve | 11660 | RFQ |
| 1-JH-2856PIECE48 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 1791692 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 1-JC-6125PC2 | northrop grumman systems corporation | seat valve | 90099 | RFQ |
| 1JH2856PC48 | westinghouse electric corp | seat valve | 79500 | RFQ |
| 1-JC-6125PIECE2 | westinghouse electric corp | seat valve | 11660 | RFQ |
| 1791692 | westinghouse electric corp | seat valve | 79500 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.563 INCHES MINIMUM AND 1.573 INCHES MAXIMUM |
| ABND | TAPER LENGTH | 0.376 NOMINAL INCHES |
| ABQA | TAPER MINOR DIAMETER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| ABQB | TAPER MAJOR DIAMETER | 0.688 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.688 INCHES NOMINAL |
| AJFZ | SEAT RADIUS | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.477 NOMINAL MILS AND 0.483 NOMINAL CENTIMETERS |
| AJRM | UNDER FLANGE HEIGHT | 1.329 INCHES MINIMUM AND 1.335 INCHES MAXIMUM |
| 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 | MIL-S-853,CLASS 3,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-399-4472, 4820003994472 | ||||
| 4810-01-547-2012 (4810015472012) | 4820-01-698-0859 (4820016980859) | 4810-01-240-8588 (4810012408588) | 4820-01-380-2942 (4820013802942) | |
| 4820-01-226-2114 (4820012262114) | 4820-01-457-2193 (4820014572193) | 4820-01-420-4996 (4820014204996) | 4820-00-758-7343 (4820007587343) | |
| 4820-01-435-2099 (4820014352099) | 4810-01-178-7003 (4810011787003) | 4810-01-259-7300 (4810012597300) | 4820-01-200-8668 (4820012008668) | |
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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