AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Seat Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-573-7919 (015737919) |
| NCB Code | USA (01) |
| Manufacturer | Huntington Ingalls Incorporated, Derbyshire Machine And Tool Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 255669 PC 3 TORLON 4203L | huntington ingalls incorporated | seat valve | RFQ |
| 259089 ITEM 14 TORLON 4203L | huntington ingalls incorporated | seat valve | RFQ |
| 258850 ITEM 85 TORLON 4203L | huntington ingalls incorporated | seat valve | RFQ |
| 255669 PC 3 TORLON 4203 | derbyshire machine and tool co | seat valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.259 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 1.062 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 0.562 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | 4820-01-259-1319, P/N 259089 ASSY A; 4820-01-273-4722, BALL VALVE, P/N 258850 ASST D MOD A-B PLAIN |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT - 1-WAY SEAL 0-4500 PSI W.P. |
| MATT | MATERIAL | PLASTIC OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | TORLON 4203L AS MFGD BY AMOCO CHEMICAL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL OR ULTEM 1000 AS MFGD BY GENERAL ELECTRIC COMPANY MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PLAIN |
| Relevant Components for NSN - 4820-01-573-7919, 4820015737919 | ||||
| 4820-01-248-5022 (4820012485022) | 4820-01-511-3905 (4820015113905) | 4820-00-108-8528 (4820001088528) | 4820-01-613-0942 (4820016130942) | |
| 4820-00-319-7643 (4820003197643) | 4820-01-577-0941 (4820015770941) | 4820-01-262-2542 (4820012622542) | 4820-01-607-4294 (4820016074294) | |
| 4820-01-148-9327 (4820011489327) | 4820-01-292-9537 (4820012929537) | 4820-01-230-6363 (4820012306363) | 4820-01-151-4016 (4820011514016) | |
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