| 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 |
|---|---|---|---|---|
| 68A690879-2019 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2015 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2015-2017-2019 | plastifab incorporated | clamp block | 58870 | RFQ |
| 68A690879-2015 2017 2019 | boeing company the | clamp block | 76301 | RFQ |
| 68A690879-2017 | boeing company the | clamp block | 76301 | 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 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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