| 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) | 00-879-2137 (008792137) |
| NCB Code | USA (00) |
| Manufacturer | Apex Tool Group Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AMCL | BLOCK TYPE | SNATCH |
| AMCN | LOCKING STYLE | SAFETY LOCKING |
| AMCQ | SHEAVE QUANTITY | 1 |
| AMCT | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| AMDC | ANTITOPPLING DEVICE | NOT INCLUDED |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| STYL | STYLE DESIGNATOR | OVAL PATTERN |
| AMWZ | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| AMXC | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 2.000 INCHES |
| AMXD | TACKLE LOCKING DEVICE | NOT INCLUDED |
| AMXF | ATTACHMENT STYLE | DRILLED SWIVEL EYE AND SHACKLE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 TYPE |
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-B-490 |
| AMRQ | SHELL LENGTH | 16.000 INCHES NOMINAL |
| AGCS | MAXIMUM LOAD RATING | 16000.0 POUNDS |
| ACSK | BEARING TYPE | PLAIN |
| ANNQ | MATERIAL AND LOCATION | BRONZE BEARING STEEL CENTER PIN IRON SHEAVE AND STEEL SHEAVE IRON SHELL AND STEEL SHELL |
| AMRR | SHEAVE OUTSIDE DIAMETER | 9.000 INCHES NOMINAL |
| AMRT | CENTER PIN DIAMETER | 1.000 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 2.625 IN. |
| ANNR | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SR-1 | MANUFACTURERS CODE | 81348 |
| Relevant Components for NSN - 3940-00-879-2137, 3940008792137 | ||||
| 3950-00-137-9573 (3950001379573) | 3960-00-475-1448 (3960004751448) | 3950-00-251-6162 (3950002516162) | 3940-01-392-5449 (3940013925449) | |
| 3950-01-496-9739 (3950014969739) | 3950-01-281-9473 (3950012819473) | 3930-00-444-7473 (3930004447473) | 3930-00-195-0590 (3930001950590) | |
| 3990-01-270-1550 (3990012701550) | 3940-00-169-4808 (3940001694808) | 3950-01-231-3665 (3950012313665) | 3950-00-451-0330 (3950004510330) | |
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