Model: B2A356-4C3

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.157 inches and 0.161 inches
Head Height
Between 0.096 inches and 0.099 inches
Spline Minor Diameter
Between 0.080 inches and 0.082 inches
Spline Major Diameter
Between 0.097 inches and 0.098 inches
Spline Width
0.022 inches
Internal Drive Style
Six spline
Thread Diameter
0.099 inches
Thready Qty Per Inch (tpi)
56
Material
Steel
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unf
NSN
5305-00-616-1137
Part Number
B2A356-4C3
Description
Screw,cap,socket Head
CAGE

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 B2A356-4C3 NSN 5305-00-616-1137

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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