| Item Name | Fuseholder Block |
| Federal Supply Group (FSG) | Electrical and Electronic Equipment Components |
| Federal Supply Class (FSC) | 5920 Fuses Arresters Absorbers and Protector |
| National Item Identification Number (NIIN) | 01-472-3583 (014723583) |
| NCB Code | USA (01) |
| Manufacturer | Littelfuse Inc, Federal Commercial Item Description, Cooper Bussmann Inc, Military Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 556001 | littelfuse inc | fuseholder block | 75915 | RFQ |
| A-A-55518 4 | federal commercial item description | fuseholder block | 58536 | RFQ |
| AA55518 04 | federal commercial item description | fuseholder block | 58536 | RFQ |
| AA55518 04 001 | federal commercial item description | fuseholder block | 58536 | RFQ |
| FH25AM | cooper bussmann inc | fuseholder block | 71400 | RFQ |
| FH25AM | military specifications | fuseholder block | 81349 | RFQ |
| M21346/3-50 | military specifications | fuseholder block | 81349 | RFQ |
| MILF21346-3 | military specifications | fuseholder block | 81349 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ELEC | Voltage In Volts | 250 |
| CSNM | Fuse Terminal Type Accommodated | FERRULE |
| FTLD | Functional Description | ACCOMMODATES 5AG OR 5AB TYPE FUSE CARTRIDGES |
| ABHP | Overall Length | 2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM |
| ABTJ | Mounting Hole Quantity | 1 |
| AGUE | Fuse Accommodation Quantity | 1 |
| ABKW | Overall Height | 1.025 INCHES MINIMUM AND 1.035 INCHES MAXIMUM |
| AAQL | Body Style | CLIP CONNECTED TYPE |
| MRC | Decoded Requirement | Clear Text Reply |
| AGUJ | Accommodated Fuse Length | 1.500 INCHES NOMINAL |
| AGUK | Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL |
| AFRG | Contact Material | COPPER-BERYLLIUM, QQ-C-530 OR COPPER-BERYLLIUM, QQ-C-533 |
| CQJL | Current Carrying Rating In Amps | 30 |
| AEVB | Mounting Hole Style | ONE HOLE MOUNTING |
| ACYB | Base Thickness | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| TTQY | Terminal Type And Quantity | 2 SCREW |
| ABMK | Overall Width | 0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM |
| SUPP | Supplementary Features | SUPPLIED WITH COMMERCIAL ITEM DESCRIPTION (CID) NO. AA55507/01-03 FUSE CLIPS |
| CSDX | Internal Circuit Configuration And Pole Quantity | 1 POLE, MAINLINE, FUSED |
| AAFZ | Body Material | PLASTIC |
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