Part Number
Part Number:
NSN:
NIIN:
Item Name:
BLOCK , TACKLE
Definition:
A MECHANICAL DEVICE, CONSISTING OF A PULLEY(S) OR SHEAVE(S) ENCASED IN A SHELL OR FRAME WHICH MAY BE PROVIDED WITH A MEANS SUCH AS A HOOK, EYE, STRAP, SCREW, ETC., BY WHICH IT MAY BE ATTACHED TO AN OBJECT. IT IS USED TO CHANGE DIRECTION OF A RUNNING ROPE AND/OR TO GAIN A MECHANICAL ADVANTAGE.
CAGE Information
| Code | Company |
|---|---|
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
BLOCKS, TACKLE, RIGGING, AND SLI
Inclusions:
Exclusions:
EXCLUDES LOAD CHAIN; CHAIN AND METAL ROPE FITTINGS; WIRE ROPE; HOISTS; SHIP RIGGING.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.375 IN. |
| FEAT | SPECIAL FEATURES | SHEAVE THICKNESS AT RIM MIN 1.375 IN. |
| STYL | STYLE DESIGNATOR | ROUND PATTERN |
| ANNQ | MATERIAL AND LOCATION | BRONZE BEARING |
| AMXD | TACKLE LOCKING DEVICE | NOT INCLUDED |
| AMRY | BECKET QUANTITY | 1 |
| AGCS | MAXIMUM LOAD RATING | 3300.0 POUNDS |
| ANNR | SURFACE TREATMENT AND LOCATION | ZINC, ELECTROLYTIC OVERALL |
| AMRQ | SHELL LENGTH | 8.000 INCHES NOMINAL |
| AMCQ | SHEAVE QUANTITY | 1 |
| ANNQ | MATERIAL AND LOCATION | IRON SHEAVE AND STEEL SHEAVE |
| ANNQ | MATERIAL AND LOCATION | IRON SHELL AND STEEL SHELL |
| AMRT | CENTER PIN DIAMETER | 0.625 INCHES NOMINAL |
| AMRR | SHEAVE OUTSIDE DIAMETER | 4.500 INCHES NOMINAL |
| AMXC | MAXIMUM TACKLE DIAMETER ACCOMMODATED | 1.000 INCHES |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE |
| AMCL | BLOCK TYPE | REGULAR |
| AMDB | BECKET TYPE | THIMBLE |
| AMXF | ATTACHMENT STYLE | JAW AND EYE SWIVEL |
| ANNQ | MATERIAL AND LOCATION | STEEL CENTER PIN |
| AMWZ | SHEAVE BEARING LUBRICATION METHOD | SELF-LUBRICATED |
| AMCT | TACKLE ACCOMMODATED TYPE | FIBROUS ROPE |
| AMDC | ANTITOPPLING DEVICE | NOT INCLUDED |
| ACSK | BEARING TYPE | PLAIN |