Model: 256-6603687-VHBM-96

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.712 inches
Fastener Length
1.750 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
0.120 inches
Locking Feature
Pellet threads or strip threads or patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
13
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c fastener and 45.0 rockwell c fastener
Hole Configuration Style
Round internal hexagon
Material
Plastic polyamide locking feature
Material
Steel fastener
Material Specification
Astm a574 assn standard single material response fastener
Surface Treatment
Aluminum fastener or chromate zinc fastener
Surface Treatment Specification
Mil-c-83488 type 2 cl 3 military specification 1st treatment response fastener or mil-c-87115 cl 3 military specification 2nd treatment response fastener
Thread Series Designator
Unrc
NSN
5305-01-330-3164
Part Number
256-6603687-VHBM-96
Description
Screw,cap,socket Head
CAGE
53711

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 256-6603687-VHBM-96 NSN 5305-01-330-3164

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:
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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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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