Model: 0646-C616-16

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
1.000 inches
Head Style
Flat countersunk undercut
Head Diameter
Between 0.720 inches and 0.781 inches
Head Height
0.238 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.2187 inches and 0.2217 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Material
Cadmium
Surface Treatment Specification
Qq-p-416, ty1 cl3 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-442-6073
Part Number
0646-C616-16
Description
Screw,cap,socket Head
CAGE
99167

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 0646-C616-16 NSN 5305-01-442-6073

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
--
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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Schedule B and Export
  • Schedule B: 8107900000
  • SITC: 69983
  • End Use: Finished metal shapes
  • NAICS: 331491
  • USDA: 1

Freight Class: Cadmium, wrought and articles thereof nesoi

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