| Item Name | Clamp Block |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 01-257-5231 (012575231) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Plastifab Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 68A690879-2015 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2017 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2015 2017 2019 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2019 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2015-2017-2019 | plastifab incorporated | clamp block | 58870 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 3.560 INCHES MINIMUM AND 3.590 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.758 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 0.500 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 2 |
| AFEC | DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH | 0.205 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| AZGM | MOUNTING FACILITY | UNTHREADED HOLE |
| BYGG | BLOCK HEIGHT | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| CWTD | CLAMPING HOLE QUANTITY | 5 |
| CWWM | CLAMPING HOLE DIAMETER | 0.391 INCHES MINIMUM FOURTH HOLE AND 0.395 INCHES MAXIMUM FOURTH HOLE |
| CWWM | CLAMPING HOLE DIAMETER | 0.391 INCHES MINIMUM SECOND HOLE AND 0.395 INCHES MAXIMUM SECOND HOLE |
| CWWM | CLAMPING HOLE DIAMETER | 0.391 INCHES MINIMUM THIRD HOLE AND 0.395 INCHES MAXIMUM THIRD HOLE |
| CWXZ | CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND CLAMPING HOLES | 0.870 INCHES MINIMUM AND 0.874 INCHES MAXIMUM |
| CWYC | CENTER TO CENTER DISTANCE BETWEEN FIRST AND THIRD CLAMPING HOLES | 0.600 INCHES MINIMUM AND 0.602 INCHES MAXIMUM |
| CWYH | CENTER TO CENTER DISTANCE BETWEEN FIRST AND FOURTH CLAMPING HOLES | 2.133 INCHES NOMINAL |
| CWYM | CENTER TO CENTER DISTANCE BETWEEN FIRST AND FIFTH CLAMPING HOLES | 3.060 INCHES MINIMUM AND 3.064 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | HAS 2 SLOTTED CLAMPING HOLES ON EACH END,LG 0.313 IN.,WIDTH 0.205 IN. TO 0.211 IN. |
| MATT | MATERIAL | PLASTIC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-15035 MIL SPEC SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | RECTANGULAR |
| Relevant Components for NSN - 5340-01-257-5231, 5340012575231 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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