Model: 50158-8

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.444 inches and 0.494 inches
Fastener Length
Between 0.954 inches and 0.984 inches
Head Style
Flat countersunk
Head Diameter
0.577 inches
Locking Feature
Patch threads or pellet threads or strip threads
Grip Diameter
Between 0.3110 inches and 0.3120 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.312 inches
Grip Length
Between 0.490 inches and 0.510 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
125.0 microinches grip
Surface Finish
125.0 microinches top of head
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches threads
Material
Plastic locking feature
Material
Steel comp 4140 fastener or steel comp e4340 fastener or steel comp 8740 fastener
Material Specification
Mil-s-5626 military specification 1st material response fastener or mil-s-5000 military specification 2nd material response fastener or mil-s-6049 military specification 3rd material response fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 ty2 cl2 federal specification single treatment response fastener
Thread Series Designator
Unf
Specification Data
80205-nas1165 professional/industrial association standard
NSN
5305-00-339-8961
Part Number
50158-8
Description
Screw,close Tolerance
CAGE
72429

Part 50158-8 NSN 5305-00-339-8961

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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:
A
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:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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