| 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) | 00-283-7690 (002837690) |
| NCB Code | USA (00) |
| Manufacturer | Crosby Group Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AMCL | Block Type | SNATCH |
| AMCN | Locking Style | SAFETY LOCKING |
| ACSK | Bearing Type | PLAIN |
| AMRQ | Shell Length | 7.375 INCHES MINIMUM AND 7.625 INCHES MAXIMUM |
| AMXC | Maximum Tackle Diameter Accommodated | 0.500 INCHES |
| AMXD | Tackle Locking Device | NOT INCLUDED |
| AMWZ | Sheave Bearing Lubrication Method | PRESSURE GREASE FITTING |
| AMXF | Attachment Style | FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK |
| ANNQ | Material And Location | STEEL,FORGING,COMPOSITION C1040,SHACKLE |
| ANNQ | Material And Location | STEEL,FORGING,COMPOSITION C1040,SHEAVE |
| ANNQ | Material And Location | STEEL,FORGING,COMPOSITION C1040,HOOK |
| ANNQ | Material And Location | STEEL,FORGING,COMPOSITION C1040,YOKE |
| AMRR | Sheave Outside Diameter | 4.125 INCHES MINIMUM AND 4.375 INCHES MAXIMUM |
| ANNQ | Material And Location | BRONZE,SAE 660,BEARING |
| ANNR | Surface Treatment And Location | ENAMEL PER DWG 80064/2584542 CLASS F,TYPE 1 OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| AGCS | Maximum Load Rating | 26000.0 POUNDS |
| AMCQ | Sheave Quantity | 1 |
| AMCT | Tackle Accommodated Type | WIRE ROPE |
| AMDC | Antitoppling Device | NOT INCLUDED |
| STYL | Style Designator | OVAL PATTERN |
| Components Related to NSN - 3940-00-283-7690, 3940002837690 | ||||
| 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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