| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-657-1523 (006571523) |
| NCB Code | USA (00) |
| Manufacturer | Lawler Manufacturing Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKK | FLANGE DIAMETER | 1.375 INCHES NOMINAL |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | 0.406 INCHES NOMINAL |
| AJRM | UNDER FLANGE HEIGHT | 0.375 INCHES NOMINAL |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| CQKW | BODY STEPPED INSIDE DIAMETER | 0.875 INCHES MINIMUM FIRST STEP AND 0.880 INCHES MAXIMUM FIRST STEP |
| CQKW | BODY STEPPED INSIDE DIAMETER | 1.000 INCHES NOMINAL SECOND STEP |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | THREADED FLANGED |
| Relevant Components for NSN - 4820-00-657-1523, 4820006571523 | ||||
| 4820-01-251-8295 (4820012518295) | 4820-01-606-5732 (4820016065732) | 4820-01-504-6136 (4820015046136) | 4820-01-345-7050 (4820013457050) | |
| 4810-01-373-6377 (4810013736377) | 4810-01-079-4456 (4810010794456) | 4820-01-280-4146 (4820012804146) | 4820-01-651-8515 (4820016518515) | |
| 4820-01-688-1777 (4820016881777) | 4820-01-439-5575 (4820014395575) | 4820-01-228-6731 (4820012286731) | 4820-01-645-8483 (4820016458483) | |
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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