| Item Name | Cover Ventilatory |
| Federal Supply Group (FSG) | Vehicular Equipment Components |
| Federal Supply Class (FSC) | 2540 Vehicle Furniture and Accessories |
| National Item Identification Number (NIIN) | 01-657-9890 (016579890) |
| NCB Code | USA (01) |
| Manufacturer | Isometrics Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADUM | Overall Thickness | 0.25 INCHES NOMINAL |
| AGAV | End Item Identification | 4930-01-612-3541 |
| MATT | Material | STEEL |
| SHPE | Shape | RECTANGULAR |
| CXCY | Part Name Assigned By Controlling Agency | WELDMENT BASE VENT STOP MANHOLE |
| MRC | Decoded Requirement | Clear Text Reply |
| ABHP | Overall Length | 8.0 INCHES NOMINAL |
| ABMK | Overall Width | 2.0 INCHES NOMINAL |
| Components Related to NSN - 2540-01-657-9890, 2540016579890 | ||||
| 2520-01-434-5210 (2520014345210) | 2520-01-066-0569 (2520010660569) | 2590-12-177-9899 (2590121779899) | 2530-00-692-6240 (2530006926240) | |
| 2590-01-578-0421 (2590015780421) | 2590-01-661-4129 (2590016614129) | 2530-00-678-6135 (2530006786135) | 2520-00-773-2119 (2520007732119) | |
| 2590-20-000-0184 (2590200000184) | 2510-01-204-8497 (2510012048497) | 2510-01-472-1679 (2510014721679) | 2540-01-602-1078 (2540016021078) | |
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