
Nut - 1/4-28 Thread, Self-Locking Nut, Regular Height, Corrosion Resistant Steel, Nylon Insert, 250°,, Passivated
| Detail | Characteristic | 
| BEARING SURFACE FINISH | 125.0 MICROINCHES | 
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | 
| COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT | 
| NUT HEIGHT | 0.240 INCHES MINIMUM AND 0.360 INCHES MAXIMUM | 
| NUT STYLE | HEXAGON | 
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT | 
| LUBRICATION | SOLUBLE LUBRICANT | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5688 ASSN STD 1ST MATERIAL RESPONSE NUT OR AMS 5640 ASSN STD 2ND MATERIAL RESPONSE NUT OR AMS 5647 ASSN STD 3RD MATERIAL RESPONSE NUT | 
| MATERIAL | STEEL COMP 302 NUT OR STEEL COMP 303 NUT OR STEEL COMP 304 NUT | 
| NOMINAL THREAD SIZE | 0.250 INCHES | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT | 
| SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT | 
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL | 
| THREAD CLASS | 3B | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD SERIES | UNJF | 
| THREAD QUANTITY PER INCH | 28 | 
| WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 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 | 
| Weight | N/A 0.0085 lb | 
| Alternate Part Number | N/A 79NE048 | 
| NSN | N/A 5310-00-889-2589 | 
| NIIN | N/A 00-889-2589 | 
| Part # Unpunctuated | N/A MS21044C4 | 
| Minimum Order Note | N/A Minimum order is 10. Must order in increments of 10. | 
| 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. | 
