12 Point Self Locking Nut - Thread: 1/4-28, 12 Point Self Locking Nut, Extended Washer, Cadmium Plated Alloy Steel, Dry-Film Lube
| Detail | Characteristic | 
| HARDNESS RATING | 45.0 ROCKWELL C MAXIMUM | 
| NUT STYLE | DOUBLE HEXAGON | 
| OVERALL HEIGHT | 0.250 INCHES MAXIMUM | 
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | 
| LUBRICATION | DRY FILM LUBRICANT | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 601 OVERALL OR STEEL COMP H11 OVERALL | 
| NOMINAL THREAD SIZE | 0.250 INCHES | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL | 
| THREAD CLASS | 3B | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD SERIES | UNJF | 
| THREAD QUANTITY PER INCH | 28 | 
| SPECIFICATION/STANDARD DATA | 80205-NAS1804 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
| WASHER OUTSIDE DIAMETER | 0.434 INCHES MAXIMUM | 
| WASHER THICKNESS | 0.020 INCHES NOMINAL | 
| WIDTH ACROSS FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | 
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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 | 
                                                                                Material | 
                                                                        N/A Steel Alloy | 
                                                                                Features | 
                                                                        N/A Extended Washer | 
                                                                                Service Temperature | 
                                                                        N/A 450 ºF | 
                                                                                Industry Standards/Certification | 
                                                                        N/A NAS1804 | 
                                                                                Diameter A | 
                                                                        N/A 0.434 in | 
                                                                                Type | 
                                                                        N/A Self-Locking Nut | 
                                                                                Weight | 
                                                                        N/A .005 lb | 
                                                                                Shape | 
                                                                        N/A Double Hexagon | 
                                                                                Minimum Dimension C | 
                                                                        N/A 0.347 in | 
                                                                                Maximum Dimension H | 
                                                                        N/A 0.250 in | 
                                                                                Maximum Dimension W | 
                                                                        N/A 0.313 in | 
                                                                                Minimum Dimension W | 
                                                                        N/A 0.305 in | 
                                                                                Minimum Diameter B | 
                                                                        N/A 0.394 in | 
                                                                                Thread Note 1 | 
                                                                        N/A 0.2500-28 | 
                                                                                NSN | 
                                                                        N/A 5310-01-123-1422 | 
                                                                                NIIN | 
                                                                        N/A 01-123-1422 | 
                                                                                Part # Unpunctuated | 
                                                                        N/A NAS18044 | 
                                                                                Minimum Order Note | 
                                                                        N/A Minimum order is 10. Must order in increments of 1. | 
                                                                                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. | 
 

