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| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-909-9577 (009099577) |
| NCB Code | USA (00) |
| Manufacturer | Honeywell International Inc, Allied Signal Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.650 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 0.579 INCHES MINIMUM AND 0.584 INCHES MAXIMUM |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
| AJRM | UNDER FLANGE HEIGHT | 0.910 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 36 SINGLE THREADED PORTION |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.117 INCHES MINIMUM FIRST STEP AND 0.118 INCHES MAXIMUM FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.200 INCHES MINIMUM SECOND STEP AND 0.205 INCHES MAXIMUM SECOND STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.311 INCHES MINIMUM THIRD STEP AND 0.317 INCHES MAXIMUM THIRD STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.339 INCHES MINIMUM FOURTH STEP AND 0.343 INCHES MAXIMUM FOURTH STEP |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 COND B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | FAUCET |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-00-909-9577, 4820009099577 | ||||
| 4810-01-693-0546 (4810016930546) | 4810-01-224-8636 (4810012248636) | 4810-00-181-8826 (4810001818826) | 4810-00-533-2538 (4810005332538) | |
| 4820-01-319-3454 (4820013193454) | 4820-01-154-9733 (4820011549733) | 4810-01-176-9496 (4810011769496) | 4820-01-278-5449 (4820012785449) | |
| 4810-01-152-7681 (4810011527681) | 4810-00-127-2787 (4810001272787) | 4820-00-557-7800 (4820005577800) | 4810-01-469-1460 (4810014691460) | |
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