| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-210-5541 (002105541) |
| NCB Code | USA (00) |
| Manufacturer | Pratt And Whitney Canada Inc, United Technologies Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 3.069 INCHES MINIMUM AND 3.070 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 2.586 INCHES MINIMUM AND 2.590 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 2.523 INCHES MINIMUM AND 2.533 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | ACFT ENG R2800 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.446 INCHES MINIMUM AND 0.449 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.136 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| CQFM | HARDNESS RATING | 90.0 ROCKWELL B MINIMUM BODY AND 105.0 ROCKWELL B MAXIMUM BODY |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | STEEL BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Relevant Components for NSN - 4820-00-210-5541, 4820002105541 | ||||
| 4820-01-396-8269 (4820013968269) | 4820-01-394-6183 (4820013946183) | 4820-00-971-1986 (4820009711986) | 4820-01-631-7474 (4820016317474) | |
| 4810-01-315-8174 (4810013158174) | 4820-01-045-1164 (4820010451164) | 4820-01-169-9733 (4820011699733) | 4820-01-233-9010 (4820012339010) | |
| 4820-01-169-8577 (4820011698577) | 4820-01-130-1407 (4820011301407) | 4810-01-641-9373 (4810016419373) | 4820-01-646-8601 (4820016468601) | |
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