| 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) | 01-397-6749 (013976749) |
| NCB Code | USA (01) |
| Manufacturer | Crosby Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACSK | BEARING TYPE | PLAIN |
| AMCL | BLOCK TYPE | SNATCH |
| AMCT | TACKLE ACCOMMODATED TYPE | WIRE ROPE |
| AMDC | ANTITOPPLING DEVICE | NOT INCLUDED |
| AMRT | CENTER PIN DIAMETER | 2.000 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | PULLEY PATTERN |
| AMXC | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 0.500 INCHES |
| AMXD | TACKLE LOCKING DEVICE | NOT INCLUDED |
| AMXF | ATTACHMENT STYLE | FLATTED LOOSE SWIVEL SAFETY SNAP HOOK |
| AGCS | MAXIMUM LOAD RATING | 8000.0 POUNDS |
| AMCN | LOCKING STYLE | DROP LINK |
| AMCQ | SHEAVE QUANTITY | 1 |
| AMRQ | SHELL LENGTH | 8.560 INCHES NOMINAL |
| AMRR | SHEAVE OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| ANNQ | MATERIAL AND LOCATION | BRONZE BEARING AND STEEL OVERALL |
| Components Related to NSN - 3940-01-397-6749, 3940013976749 | ||||
| 3950-01-448-2060 (3950014482060) | 3940-01-442-9650 (3940014429650) | 3950-01-456-1948 (3950014561948) | 3910-01-361-8537 (3910013618537) | |
| 3940-01-593-4986 (3940015934986) | 3990-01-414-8140 (3990014148140) | 3990-01-449-8782 (3990014498782) | 3950-01-224-7301 (3950012247301) | |
| 3950-01-485-2350 (3950014852350) | 3950-00-063-1391 (3950000631391) | 3950-01-022-8309 (3950010228309) | 3950-01-175-5211 (3950011755211) | |
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