| 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) | 00-477-1989 (004771989) |
| NCB Code | USA (00) |
| Manufacturer | National Steel And Shipbuilding |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 330-521-23-25 | national steel and shipbuilding | retainer seal | 81220 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKG | BOLT CIRCLE DIAMETER | 6.125 INCHES NOMINAL |
| ABKU | FLANGE THICKNESS | 0.625 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.188 INCHES NOMINAL |
| ABVL | APERTURE DIAMETER | 2.438 INCHES NOMINAL |
| ADAR | BODY OUTSIDE DIAMETER | 4.325 INCHES MINIMUM AND 4.327 INCHES MAXIMUM |
| AECS | BOLT HOLE QUANTITY | 8 |
| AHNX | BOLT HOLE DIAMETER | 0.656 INCHES NOMINAL |
| APTE | MOUNTING FLANGE DIAMETER | 7.750 INCHES NOMINAL |
| BNTY | SEAL SEAT DIAMETER | 2.835 INCHES NOMINAL |
| BNTZ | SEAL SEAT DEPTH | 1.000 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | COUNTERBORED END OPPOSITE FLANGE 3.750 IN. DIA 0.500 IN. DEEP,CHAMFER SAME END 45 DEG BY 0.122 IN. |
| MATT | MATERIAL | STEEL OVERALL |
| STYL | STYLE DESIGNATOR | FLANGED |
| Components Related to NSN - 5330-00-477-1989, 5330004771989 | ||||
| 5305-00-058-8627 (5305000588627) | 5305-01-464-0977 (5305014640977) | 5310-01-004-6958 (5310010046958) | 5315-01-470-7865 (5315014707865) | |
| 5340-00-015-2268 (5340000152268) | 5305-00-841-3941 (5305008413941) | 5320-00-205-9596 (5320002059596) | 5340-01-656-4589 (5340016564589) | |
| 5330-00-947-5111 (5330009475111) | 5365-01-569-6583 (5365015696583) | 5340-01-514-2291 (5340015142291) | 5315-01-532-4171 (5315015324171) | |
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