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| Item Name | Stem Support Valve |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 01-487-8174 (014878174) |
| NCB Code | USA (01) |
| Manufacturer | Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 254844 | huntington ingalls incorporated | stem support valve | RFQ |
| 254844 PC 5 | huntington ingalls incorporated | stem support valve | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | NEXT HIGHER ASSEMBLY P/N 254844, MANIFOLD 3/4 STOP CHECK DISTILLING SYSTEM. |
| MRC | Decoded Requirement | Clear Text Reply |
| TEXT | General Characteristics Item Description | MATERIAL IS FEDERAL SPEC QQ-B-637A CUNI NO. 484 1/2 HARD. INNER DIAMETER 0.766 INCH. ONE NOTCH ON OUTSIDE DIAMETER IS 0.203 INCH WIDE BY 0.219 INCH DEEP. |
| ADAV | Overall Diameter | 2.250 INCHES NOMINAL |
| AGAV | End Item Identification | USED ON SSN 688 WITHOUT CHANGE FROM THE MANIFOLD USED ON SSN 837. FURTHER SHOCK QUALIFICATION NOT REQUIRED. |
| MATT | Material | COPPER ALLOY |
| ABKW | Overall Height | 0.188 INCHES NOMINAL |
| Relevant Components for NSN - 4820-01-487-8174, 4820014878174 | ||||
| 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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