| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-130-9618 (011309618) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Pneudraulics Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 0.800 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 0.623 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.275 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.305 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 30.000 NOMINAL |
| CQFM | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM OVERALL AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.504 INCHES MINIMUM FIRST STEP AND 0.514 INCHES MAXIMUM FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.702 INCHES MINIMUM SECOND STEP AND 0.722 INCHES MAXIMUM SECOND STEP |
| MATT | MATERIAL | STEEL COMP 440C OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MCA1R PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN FLANGED |
| Components Related to NSN - 4820-01-130-9618, 4820011309618 | ||||
| 4820-00-202-6821 (4820002026821) | 4820-01-556-4881 (4820015564881) | 4820-01-428-6851 (4820014286851) | 4820-01-105-7537 (4820011057537) | |
| 4820-00-969-8265 (4820009698265) | 4810-01-493-6390 (4810014936390) | 4820-01-514-3567 (4820015143567) | 4820-01-263-9520 (4820012639520) | |
| 4820-01-108-1913 (4820011081913) | 4820-01-692-8437 (4820016928437) | 4820-01-286-3164 (4820012863164) | 4820-01-421-2588 (4820014212588) | |
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