Model: 689938-2

Stepped Stud

Properties:

Thread Class
3a nut thread
Thread Pitch Diameters
+0.3962/+0.3977 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.469 inches stud thread and 0.499 inches stud thread
Thread Length
0.812 inches nut thread
Shank Diameter
Between 0.342 inches and 0.352 inches
Overall Length
Between 1.579 inches and 1.609 inches
Thready Qty Per Inch (tpi)
14 stud thread
Thready Qty Per Inch (tpi)
24 nut thread
Thread Size
0.375 inches nut thread
Thread Size
0.438 inches stud thread
Surface Finish
32.0 microinches nut thd
Surface Finish
32.0 microinches stud thd
Surface Finish
63.0 microinches shank
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 302
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Style Designator
Stepped
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread
NSN
5307-00-849-2751
Part Number
689938-2
Description
Stud,stepped
CAGE
99167

Part 689938-2 NSN 5307-00-849-2751

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15949
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:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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