
Washer - Size: 1/4", Washer, Countersunk, Cadmium Plated Steel
| Detail | Characteristic | 
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | 
| HOLE DIAMETER | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | 
| OUTSIDE DIAMETER | 0.481 INCHES MINIMUM AND 0.491 INCHES MAXIMUM | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL THICKNESS | 0.067 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | 
| MATERIAL | STEEL COMP 4130 OVERALL | 
| RECESS ANGLE | 90.0 DEGREES NOMINAL | 
| RECESS DIAMETER | 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM | 
| STYLE DESIGNATOR | 15 RECESSED | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | 
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                                                                                Inventory | 
                                                                        N/A {0} | 
                                                                                Estimated Ship Date | 
                                                                        N/A {N/A} | 
                                                                                Inventory Note | 
                                                                        N/A Need additional stock? Call (877) 920-1876 or email | 
                                                                                NSN | 
                                                                        N/A 5310-01-008-6798 | 
                                                                                NIIN | 
                                                                        N/A 01-008-6798 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A MS21299C4 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 100. Must order in increments of 100. | 
                                                                                Pre-Packaged Bag Quantity | 
                                                                        N/A 100 | 
                                                                                Note | 
                                                                        N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment. | 
                                                                                California Residents | 
                                                                        N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. |