Model: MS51989-204-32

Locked In Stud

Properties:

Thread Class
3a nut thread
Thread Pitch Diameters
+0.2281/+0.2296 inches stud thread
Thread Pitch Diameters
+0.2281 to 0.2296 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.295 inches stud thread and 0.325 inches stud thread
Thread Length
0.425 inches nut thread and 0.455 inches nut thread
Thread Length
0.295 inches and 0.325 inches stud thread
Locking Feature
Ring, lock serrated
Overall Length
Between 2.410 inches and 2.470 inches
Distance From Serrated Portion To Nut End
Between 1.985 inches and 2.015 inches
Distance From Serrated Portion To Stud End
Between 0.425 inches and 0.455 inches
Distance From Serrated Portion To End Of Stud Thread
Between 0.100 inches and 0.160 inches
Serration Quantity
13
End Application
Spec item
Thready Qty Per Inch (tpi)
28 stud thread
Hardness Rating
26.0 rockwell c
Thread Size
0.250 inches stud thread
Surface Finish
32.0 microinches nut thd
Serration Included Angle
102.0 degrees
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Locked in
Thread Series Designator
Uns stud thread
NSN
5307-00-443-6160
Part Number
MS51989-204-32
Description
Stud,locked In
CAGE
96906

Part MS51989-204-32 NSN 5307-00-443-6160

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16012
FIIG:
A051A0
Concept No.:
App. Key:
D
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:
093470
UFC:
48940
LTL:
70.0
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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