Model: 74A410640-2001

Internally Relieved Body Bolt

Special Features:

2 keyways in thd end 0.125 in. Min to 0.130 in. Max w by 0.245 in. Lg

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.300 inches
Fastener Length
1.750 inches
Head Style
Dee
Head Diameter
1.000 inches
Head Height
0.093 inches
Distance From Centerline To Flat
Between 0.435 inches and 0.440 inches
Counterbore Diameter
Between 0.438 inches and 0.440 inches
Counterbore Depth
1.558 inches
Concentric Hole Diameter
Between 0.406 inches and 0.413 inches
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
280000 pounds per square inch
Criticality Code Justification
Aasy
Material
Steel
Material Specification
Mil-s-8844, class 3, cond e2 military specification single material response
Surface Treatment
Chromate
Style Designator
Counterbore unthreaded
Thread Series Designator
Unjf
NSN
5306-01-121-1656
Part Number
74A410640-2001
Description
Bolt,internally Relieved Body
CAGE
76301

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 74A410640-2001 NSN 5306-01-121-1656

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:
F

Packaging & Shipping

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