Model: 21AX761

Hexago Extended Washer Plain Nut

Special Features:

Finish: zinc chromate; typical useage: sheet metal fasteners

Properties:

Thread Class
2b
Thread Direction
Right-hand
Washer Outside Diameter
Between 0.790 inches and 0.820 inches
Overall Height
Between 0.318 inches and 0.342 inches
Nut Style
Hexagon
Washer Thickness
Between 0.036 inches and 0.050 inches
Width Across Flats
Between 0.489 inches and 0.500 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.3125 inches
Part Name Assigned By Controlling Agency
Nut, lock-machine screw hex serrated large washer head
Surface Treatment
Chromate zinc
NSN
5310-01-552-7995
Part Number
21AX761
Description
Nut,plain,extended Washer,hexago
CAGE
89619

Part 21AX761 NSN 5310-01-552-7995

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04889
FIIG:
A021A0
Concept No.:
1
App. Key:
AP
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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