NSN 2540-01-643-3393
Part Details | RING DRAWBAR COUPLER
2540-01-643-3393 An item having a circular shaped eye at one end for coupling to the pintle of a towing vehicle. It is designed to be mounted on the drawbar of a vehicle to be towed. See also BOLT, EYE.
Alternate Parts: 12577731, 2540-01-643-3393, 01-643-3393, 2540016433393, 016433393
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 25 | MAR 30, 2015 | 01-643-3393 | 19449 ( COUPLER, DRAWBAR, RING ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT FLAT BAR SHANK
Cross Reference | NSN 2540-01-643-3393
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 12577731 | 19207 | U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM |
Technical Data | NSN 2540-01-643-3393
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| STYLE DESIGNATOR | 8 STRAIGHT FLAT BAR SHANK |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE AMS 6427 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| WIDTH | 7.250 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | FED STD 595 FED STD 2ND TREATMENT RESPONSE |
| OVERALL LENGTH | 14.890 INCHES NOMINAL |
| SURFACE TREATMENT | PRIMER AND PAINTED |
| COLOR CHIP NUMBER | 33446 |
| HEAT TREATMENT | TEMPERED AND QUENCHED |
| MOUNTING HOLE DIAMETER | 1.125 INCHES NOMINAL |
| MOUNTING HOLE TYPE | COUNTERSUNK AND THRU HOLE |
| MOUNTING HOLE QUANTITY | 7 |
| HEIGHT | 10.750 INCHES NOMINAL |
| RING INSIDE DIAMETER | 4.625 INCHES NOMINAL |
| RING OUTSIDE DIAMETER | 5.515 INCHES NOMINAL |
| SHANK END THREAD PROVISION | UNTHREADED |
| SHANK END KEYWAY | NOT PROVIDED |
| PAINTED FEATURE | INCLUDED |
| COLOR | TAN, 686A |
| END ITEM IDENTIFICATION | 2350-01-575-0951;CARRIER,AMUNITION,TRACKED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PROVISION,TOWING,TIE DOWN |