AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Block Tackle |
| Federal Supply Group (FSG) | Materials Handling Equipment |
| Federal Supply Class (FSC) | 3940 Blocks Tackle Rigging and Slings |
| National Item Identification Number (NIIN) | 00-638-7945 (006387945) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AMCQ | Sheave Quantity | 1 |
| AMCT | Tackle Accommodated Type | WIRE ROPE |
| AMRR | Sheave Outside Diameter | 1.938 INCHES NOMINAL |
| AMRT | Center Pin Diameter | 0.250 INCHES NOMINAL |
| ACSK | Bearing Type | BALL |
| AMXC | Maximum Tackle Diameter Accommodated | 0.250 INCHES |
| ANNQ | Material And Location | ALUMINUM SHEAVE |
| ANNQ | Material And Location | STEEL BEARING |
| ANNQ | Material And Location | MAGNESIUM SHELL |
| ANNQ | Material And Location | STEEL CENTER PIN |
| AMCL | Block Type | REGULAR |
| AMXD | Tackle Locking Device | NOT INCLUDED |
| ANNR | Surface Treatment And Location | ANODIZED SHEAVE |
| AMDC | Antitoppling Device | NOT INCLUDED |
| MRC | Decoded Requirement | Clear Text Reply |
| STYL | Style Designator | OVAL PATTERN |
| Relevant Components for NSN - 3940-00-638-7945, 3940006387945 | ||||
| 3930-00-239-5255 (3930002395255) | 3950-00-754-3918 (3950007543918) | 3950-01-501-2275 (3950015012275) | 3950-01-476-4820 (3950014764820) | |
| 3960-00-533-7504 (3960005337504) | 3950-01-316-5767 (3950013165767) | 3940-01-493-5652 (3940014935652) | 3950-01-366-4692 (3950013664692) | |
| 3930-01-168-9688 (3930011689688) | 3910-00-959-8891 (3910009598891) | 3950-00-115-4270 (3950001154270) | 3950-01-185-1204 (3950011851204) | |
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