Model: 878C-3MB-20

Locked In Stud

Properties:

Thread Class
3a nut thread
Thread Class
3a stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.330 inches stud thread and 0.340 inches stud thread
Thread Length
0.365 inches nut thread and 0.385 inches nut thread
Locking Feature
Key inserts
Shoulder Diameter
Between 0.231 inches and 0.241 inches
Shoulder Length
Between 0.035 inches and 0.045 inches
Overall Length
Between 0.730 inches and 0.770 inches
Distance From Shoulder Portion To Nut End
Between 0.365 inches and 0.385 inches
Thready Qty Per Inch (tpi)
24 stud thread
Hardness Rating
Between 26.0 rockwell c and 32.0 rockwell c
Thread Size
0.312 inches stud thread
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification single treatment response
Style Designator
Locked in
Thread Series Designator
Unf stud thread
NSN
5307-00-980-7355
Part Number
878C-3MB-20
Description
Stud,locked In
CAGE
01556

Part 878C-3MB-20 NSN 5307-00-980-7355

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

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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