Model: MS51966-158

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 0.615 inches and 0.635 inches
Head Style
Headless (setscrew)
Locking Feature
Patch threads or pellet threads or strip threads
Point Style
Flat
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c fastener and 53.0 rockwell c fastener
Material
Plastic polyamide locking feature
Material
Steel comp 4032 fastener or steel comp 4037 fastener or steel comp 4137 fastener or steel comp 4140 fastener or steel comp 8630 fastener or steel comp 8740 fastener
Material Specification
66 federal standard all material responses fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 ty2 cl3 federal specification single treatment response fastener
Thread Series Designator
Unf
Nondefinitive Specification/std Data
1 type and 1 style
NSN
5305-01-306-1620
Part Number
MS51966-158
Description
Setscrew
CAGE
80205

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part MS51966-158 NSN 5305-01-306-1620

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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:
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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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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