Model: ATT1740D-11

Internally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.427 inches and 0.466 inches
Fastener Length
1.830 inches
Head Style
Round w/wrench flats
Head Diameter
1.250 inches
Head Height
0.120 inches
Width Between Flats
Between 1.053 inches and 1.066 inches
Shoulder Diameter
Between 0.7485 inches and 0.7490 inches
Shoulder Length
Between 1.310 inches and 1.320 inches
Shank Unthreaded Hole Diameter
0.111 inches first hole
Concentric Hole Depth
1.190 inches
Concentric Hole Diameter
0.375 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
180000 pounds per square inch
Criticality Code Justification
Aavh
Distance From Head Largest Bearing Surface To Shank Hole Center
1.668 inches first hole
Material
Steel
Material Specification
Mil-s-5626, cond c4 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Lcp 1067, fscm 36659 mfr ref single treatment response
Style Designator
Concentric hole unthreaded
Thread Series Designator
Unjf
NSN
5306-01-042-1753
Part Number
ATT1740D-11
Description
Bolt,internally Relieved Body
CAGE
77445

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part ATT1740D-11 NSN 5306-01-042-1753

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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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