| Item Name | Retainer Seal |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5330 Packing and Gasket Materials |
| National Item Identification Number (NIIN) | 00-477-1990 (004771990) |
| NCB Code | USA (00) |
| Manufacturer | National Steel And Shipbuilding |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 330-521-23-26 | national steel and shipbuilding | retainer seal | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKG | BOLT CIRCLE DIAMETER | 5.250 INCHES NOMINAL |
| ABKU | FLANGE THICKNESS | 0.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.875 INCHES NOMINAL |
| ABVL | APERTURE DIAMETER | 2.562 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 4.092 INCHES MINIMUM AND 4.094 INCHES MAXIMUM |
| AECS | BOLT HOLE QUANTITY | 6 |
| AHNX | BOLT HOLE DIAMETER | 0.406 INCHES NOMINAL |
| APTE | MOUNTING FLANGE DIAMETER | 6.375 INCHES NOMINAL |
| BNTY | SEAL SEAT DIAMETER | 3.313 INCHES NOMINAL |
| BNTZ | SEAL SEAT DEPTH | 0.688 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | SEAL SEAT DIA CHAMFER 45 DEG BY 0.250 IN. |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | FLANGED |
| Relevant Components for NSN - 5330-00-477-1990, 5330004771990 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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