Military Standards - NUT - MS21045L7

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4.51

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Military Standards - NUT - MS21045L7

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Military Standards - NUT - MS21045L7
Genuine OEM Part

Description:    NUT, NUT SELF-LOCKING
Part number:    MS21045L7
Industry Standard Specification:    AIA/NAS NASM21044

Nut - 7/16-20 Thread, Self-Locking, Regular Height, Steel Nut, Cadmium Plated, With Dry-Film Lube, 450° F


MS21045L7   SPECIFICATIONS

PARAMETER      CHARACTERISTIC

Thread Class3B
Thread DirectionRight-hand
Locking FeaturePrevailing torque all metal design
LubricationDry film lubricant
Nut StyleHexagon
Nut Height0.435 nominal mils and 0.469 nominal centimeters
Width Across Flats0.679 inches minimum and 0.690 inches maximum
Temp Rating450.0 deg fahrenheit nominal
Thread SeriesUNJF
Thread Quantity per Inch20
Nominal Thread Size0.438 inches
Countersink Angle88.0 degrees nominal nut
Bearing Surface TypeChamfered
Bearing Surface Finish
125.0 microinches
Material
Steel overall
Surface Treatment
Cadmium overall
Surface Treatment Document and ClassificationQQ-P-416 fed spec single treatment response overall


This part is used on the following aircraft:

  1. Textron Aviation Beechcraft King Air 300 - all variants


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Dimensions
Dimensions (W x H x D) 0.5" x 0.75" x 0.75" Inches
Length 0.75" Inch
Weight 0.03 lb
Specifications
8130-3 Eligible Yes
Available Conditions NE / NS / OH / AR
Cage Code 96906
Country of origin United States of America
ECCN / USML EAR99
FAA Approval Code TSO
Hazmat Code Not Applicable
Hazmat(Y/N) N
Material Steel
NSN 5310-00-857-5976
Schedule B 7318.16.0000
Total Shelf Life (days) Not Applicable
Type Nut, Self-Locking
Units of Measure (UoM) Each
Brand SPS Technologies
Condition status Depreciated