OmniSynk Distribution Services

MS21044C7

Nut, Self-Locking, Hexagon

Part number
MS21044C7
NSN
5310-00-225-6190
NIIN
00-225-6190
Item name
Nut, Self-Locking, Hexagon
Manufacturer
Harvard Industries Inc.
CAGE code
72962
FSC
5310 — Nuts and Washers
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3B
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Lubrication
Soluble lubricant
Nut Style
Hexagon
Nut Height
0.435 inches minimum and 0.469 inches maximum
End Item Identification
A4 Bradley Fighting Vehicle; A3 Bradley Fighting Vehicle
Width Across Flats
0.679 inches minimum and 0.690 inches maximum
Temp Rating
250.0 deg fahrenheit nominal
Thread Series
UNJF
Thread Quantity per Inch
20
Nominal Thread Size
0.438 inches
Countersink Angle
88.0 degrees nominal nut
Bearing Surface Type
Chamfered or washer faced
Bearing Surface Finish
125.0 microinches
Material
Steel comp 302 or 303 or 304 nut
Material Document and Classification
AMS 5688 or AMS 5640 or AMS 5647
Surface Treatment
Passivate overall except insert
Surface Treatment Document and Classification
QQ-P-35 fed spec
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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