| 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 | ||||
| 2915-00-627-7741 (2915006277741) | 2910-01-331-8781 (2910013318781) | 2910-00-001-9024 (2910000019024) | 2910-00-620-6887 (2910006206887) | |
| 2910-00-097-4051 (2910000974051) | 2915-01-463-5374 (2915014635374) | 2920-01-434-5525 (2920014345525) | 2915-00-918-8894 (2915009188894) | |
| 2920-00-275-6807 (2920002756807) | 2910-01-571-2742 (2910015712742) | 2915-00-420-9969 (2915004209969) | 2915-00-449-1613 (2915004491613) | |
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