| Item Name | Cap Filler Opening |
| Federal Supply Group (FSG) | Engine Accessories |
| Federal Supply Class (FSC) | 2930 Engine Cooling System Components Nonaircraft |
| National Item Identification Number (NIIN) | 00-428-1776 (004281776) |
| NCB Code | USA (00) |
| Manufacturer | Met Pro Corporation, Siemens Water Technologies Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.625 INCHES NOMINAL |
| ABEZ | GRIPPING ACCOMMODATION TYPE | LUGS |
| ABKV | OUTSIDE DIAMETER | 2.750 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 1.500 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 3.625 INCHES NOMINAL |
| AGEJ | SYSTEM FOR WHICH DESIGNED | NONPRESSURIZED |
| AGET | SEALING LENGTH | 0.625 INCHES NOMINAL |
| AGEZ | RETAINING DEVICE TYPE | CHAIN |
| AJQT | RETAINING DEVICE LENGTH | 6.500 INCHES NOMINAL |
| AWDP | THREAD DIAMETER | 2.000 INCHES NOMINAL |
| CQRN | THREAD QUANTITY | 11.500 PER INCH |
| CQST | FILLER NECK DIAMETER FOR WHICH DESIGNED | 2.000 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-L-225 COMP 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | THREADED TYPE-INTERNAL |
| THSD | THREAD SERIES DESIGNATOR | NPT |
| Components Related to NSN - 2930-00-428-1776, 2930004281776 | ||||
| 2910-00-427-6407 (2910004276407) | 2995-00-960-9866 (2995009609866) | 2910-01-531-4297 (2910015314297) | 2925-01-057-6992 (2925010576992) | |
| 2915-00-811-3418 (2915008113418) | 2910-01-397-1231 (2910013971231) | 2910-01-256-5162 (2910012565162) | 2915-01-118-8206 (2915011188206) | |
| 2990-00-582-5142 (2990005825142) | 2920-01-398-4893 (2920013984893) | 2940-01-470-6812 (2940014706812) | 2995-01-673-4985 (2995016734985) | |
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