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 | ||||
| 3950-01-359-0974 (3950013590974) | 3910-01-123-2126 (3910011232126) | 3950-01-432-2971 (3950014322971) | 3950-01-271-2671 (3950012712671) | |
| 3930-00-225-9229 (3930002259229) | 3990-01-447-6587 (3990014476587) | 3960-00-510-9473 (3960005109473) | 3990-00-155-4260 (3990001554260) | |
| 3950-00-754-3879 (3950007543879) | 3950-01-510-1881 (3950015101881) | 3910-00-012-2798 (3910000122798) | 3910-01-463-5277 (3910014635277) | |
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