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| MRC | Criteria | Characteristic |
|---|---|---|
| ACSK | BEARING TYPE | PLAIN |
| AMCL | BLOCK TYPE | REGULAR |
| AMCQ | SHEAVE QUANTITY | 2 |
| AMCT | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| AMDC | ANTITOPPLING DEVICE | NOT INCLUDED |
| AMRY | BECKET QUANTITY | 1 |
| FEAT | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.375 IN. |
| AMXC | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES |
| AMXF | ATTACHMENT STYLE | FLATTED LOOSE SWIVEL EYE WITH SWIVEL HOOK |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| SR-1 | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGGB490-1 |
| STYL | STYLE DESIGNATOR | ROUND PATTERN |
| AMDB | BECKET TYPE | THIMBLE |
| SR-1 | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | GGG-B-490 |
| AMRQ | SHELL LENGTH | 8.000 INCHES NOMINAL |
| AMRR | SHEAVE OUTSIDE DIAMETER | 4.500 INCHES NOMINAL |
| AGCS | MAXIMUM LOAD RATING | 5100.0 POUNDS |
| SR-1 | SPEC/STD CONTROLLING DATA | |
| AMRT | CENTER PIN DIAMETER | 0.625 INCHES NOMINAL |
| AMWZ | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| AMXD | TACKLE LOCKING DEVICE | NOT INCLUDED |
| ANNQ | MATERIAL AND LOCATION | BRONZE BEARING STEEL CENTER PIN IRON SHEAVE AND STEEL SHEAVE IRON SHELL AND STEEL SHELL |
| ANNR | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| SR-1 | MANUFACTURERS CODE | 81348 |
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