AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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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) | 01-061-1598 (010611598) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Electric Boat Corporation, The Walworth Company |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 845-1889587 | national instruments corporation | seat valve | RFQ |
| 1889587ASSYCVPC4 1-4IN | national instruments corporation | seat valve | RFQ |
| 2620-902ASSYCVPC4 1-4IN | electric boat corporation | seat valve | RFQ |
| 2620-902ASSYCVPC4 1-4IN | the walworth company | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A SINGLE THREADED PORTION |
| AASA | THREAD LENGTH | 0.221 INCHES NOMINAL SINGLE THREADED PORTION |
| ABKK | FLANGE DIAMETER | 0.749 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.346 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.091 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.315 INCHES NOMINAL |
| AJSG | SEAT ANGLE IN DEG | 45.000 NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 24 SINGLE THREADED PORTION |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES SINGLE THREADED PORTION |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| FEAT | SPECIAL FEATURES | ID HAS OCTOGONAL WRENCHING ACCOMODATION 0.307 IN.ACROSS THE FLAT |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A OR B,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| THSD | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| Relevant Components for NSN - 4820-01-061-1598, 4820010611598 | ||||
| 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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