| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-587-2181 (005872181) |
| NCB Code | USA (00) |
| Manufacturer | E-Systems Inc, Moog Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.349 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.137 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.031 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 58.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| FEAT | SPECIAL FEATURES | ONE END CSING 60 DEG X 0.090 DIA,SEAT END SLOTTED 4 PLACES |
| MATT | MATERIAL | STEEL COMP 440C OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 4820-00-587-2181, 4820005872181 | ||||
| 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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