Model: 74A10779-2001

Internally Relieved Body Bolt

Special Features:

Slot in point 0.290 in. Depth, 0.125 in. Min dia, 0.130 in. Max dia; undercut between head and shoulder 0.100 in. Nom width, 0.610 in. Min dia, 0.615 in. Max dia; undercut between shoulder and point 0.075 in. Nom width, 0.470 in. Min dia, 0.480 in. Max dia

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.225 inches
Fastener Length
Between 1.565 inches and 1.575 inches
Head Style
Dee chamfer
Head Diameter
0.875 inches
Head Height
0.310 inches
Distance From Centerline To Flat
Between 0.370 inches and 0.375 inches
Shoulder Diameter
Between 1.270 inches and 1.288 inches
Shoulder Length
Between 0.655 inches and 0.670 inches
Concentric Hole Diameter
Between 0.375 inches and 0.377 inches
Thread Diameter
0.562 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
180000 pounds per square inch
Material
Steel comp e4340
Material Specification
Mil-s-8844 military specification single material response
Style Designator
Concentric hole unthreaded
Thread Series Designator
Unjf
NSN
5306-01-186-9077
Part Number
74A10779-2001
Description
Bolt,internally Relieved Body
CAGE
6Z056

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 74A10779-2001 NSN 5306-01-186-9077

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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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