Castellated Nut - Thread: 1/2-20, Self-Locking Nut, Hexagon, Non-Metallic Insert, 250°,
Detail | Characteristic |
BEARING SURFACE TYPE | WASHER FACED |
NUT HEIGHT | 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
NUT STYLE | SLOTTED, HEXAGON |
LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT |
MATERIAL | STEEL NUT |
NOMINAL THREAD SIZE | 0.500 INCHES |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
SURFACE TREATMENT | CADMIUM OVERALL EXCEPT INSERT AND CHROMATE OVERALL EXCEPT INSERT |
TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES | UNJF |
THREAD QUANTITY PER INCH | 20 |
WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
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Unit of Measure
Discount Table - MS17825-8
- Unit
- Discount Price / %
- 25 - 49
- $5.06
- 50 - 99
- $4.81
- 100 - 499
- $4.53
- 500 and up
- $4.26
Inventory |
N/A {973} |
Estimated Ship Date |
N/A Ships in 1 Business Day |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Thread Size |
N/A 1/2-20 |
Industry Standards/Certification |
N/A MIL-S-8879 MS17825 |
Minimum Dimension A |
N/A 0.548 in |
Type |
N/A Self-Locking Castellated Nut |
Weight |
N/A 0.032 lb |
Thread MIL-S-8879 |
N/A 0.5000-20 |
Minimum Ultimate Tensile Strength |
N/A 16600 lb |
Minimum Test Wrenching Torque |
N/A 900 in·lb |
Maximum Dimension A |
N/A 0.578 in |
Minimum Dimension B |
N/A 0.741 in |
Minimum Dimension C |
N/A 0.837 in |
Maximum Dimension B |
N/A 0.752 in |
NSN |
N/A 5310-00-871-8758 |
NIIN |
N/A 00-871-8758 |
Part # Unpunctuated |
N/A MS178258 |
Minimum Order Note |
N/A Minimum order is 5. Must order in increments of 5. |
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. |