| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-005-7396 (000057396) |
| NCB Code | USA (00) |
| Manufacturer | Grimes Aerospace Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 1.845 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.875 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.834 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 1.433 INCHES MINIMUM AND 1.443 INCHES MAXIMUM |
| AJSG | SEAT ANGLE IN DEG | 0.750 NOMINAL |
| CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | FOUR 0.506 IN.DIA HOLES EQUALLY SPACED IN BOYD |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-00-005-7396, 4820000057396 | ||||
| 4820-01-661-4388 (4820016614388) | 4820-01-145-6678 (4820011456678) | 4820-01-039-1836 (4820010391836) | 4820-01-386-1744 (4820013861744) | |
| 4810-01-271-8772 (4810012718772) | 4820-00-999-3603 (4820009993603) | 4820-01-212-9959 (4820012129959) | 4820-01-294-4352 (4820012944352) | |
| 4820-01-377-3064 (4820013773064) | 4820-01-394-1344 (4820013941344) | 4820-01-268-9843 (4820012689843) | 4820-01-500-8093 (4820015008093) | |
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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