Model: B18.5 7/16-14 UNC-2A X 4 IN. LG

Square Neck Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.125 inches
Fastener Length
4.000 inches
Head Style
Button
Head Diameter
Between 0.907 inches and 0.969 inches
Head Height
Between 0.219 inches and 0.239 inches
Neck Length
Between 0.219 inches and 0.250 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
14
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Neck Width
Between 0.431 inches and 0.452 inches
Material
Steel
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
I class and a style
NSN
5306-00-260-7534
Part Number
B18.5 7/16-14 UNC-2A X 4 IN. LG
Description
Bolt,square Neck
CAGE
80204

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part B18.5 7/16-14 UNC-2A X 4 IN. LG NSN 5306-00-260-7534

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15939
FIIG:
A003B0
Concept No.:
App. Key:
CA
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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