Model: 1665-21-3

Shouldered Stud

Special Features:

0.125 in. Radius between wrench flat shoulder and nut end

Properties:

Thread Pitch Diameters
+0.7044/+0.7084 inches nut thread
Thread Pitch Diameters
+0.7044/+0.7084 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.969 inches stud thread
Thread Length
1.218 inches nut thread
Shoulder Diameter
Between 1.125 inches and 1.218 inches
Shoulder Length
0.188 inches
Overall Length
3.125 inches
Nut End Shank Length
0.625 inches
Distance Across Flats
0.938 inches
Thready Qty Per Inch (tpi)
16 nut thread
Thready Qty Per Inch (tpi)
16 stud thread
Hardness Rating
Between 18.0 rockwell c and 28.0 rockwell c
Thread Size
0.750 inches nut thread
Thread Size
0.750 inches stud thread
Stud End Shank Diameter
Between 0.783 inches and 0.786 inches
Nut End Shank Diameter
Between 0.783 inches and 0.786 inches
Material
Steel
Style Designator
Shouldered
Thread Series Designator
Uns stud thread
Thread Series Designator
Uns nut thread
NSN
5307-00-637-1408
Part Number
1665-21-3
Description
Stud,shouldered
CAGE
20076

Part 1665-21-3 NSN 5307-00-637-1408

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15946
FIIG:
A051A0
Concept No.:
App. Key:
C
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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