Model: MS51989-105-20

Locked In Stud
Description:

3a nut thread thread class, +0.2778 to 0.2795 inches stud thread thread pitch diameters, right-hand nut thread , 0.485 inches nut thread thread length.

Properties:

Thread Class
3a nut thread
Thread Pitch Diameters
+0.2778 to 0.2795 inches stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.485 inches nut thread and 0.515 inches nut thread
Thread Length
0.375 inches stud thread and 0.405 inches stud thread
Locking Feature
Ring, lock serrated
Overall Length
Between 1.780 inches and 1.840 inches
Distance From Serrated Portion To Nut End
Between 1.235 inches and 1.265 inches
Distance From Serrated Portion To Stud End
Between 0.545 inches and 0.575 inches
Distance From Serrated Portion To End Of Stud Thread
Between 0.140 inches and 0.200 inches
Serration Quantity
17
Thready Qty Per Inch (tpi)
18 stud thread
Thready Qty Per Inch (tpi)
28 nut thread
Hardness Rating
26.0 rockwell c
Thread Size
0.250 inches nut thread
Thread Size
0.312 inches stud thread
Surface Finish
32.0 microinches nut thd
Serration Included Angle
86.0 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
Unc stud thread
Thread Series Designator
Unf nut thread
NSN
5307-00-006-3215
Part Number
MS51989-105-20
Description
Stud,locked In
CAGE
81343

Part MS51989-105-20 NSN 5307-00-006-3215

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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