Model: 272-4600249

Internally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.547 inches
Fastener Length
2.284 inches
Head Style
Hexagon
Head Height
0.200 inches
Width Between Flats
1.125 inches
Shoulder Diameter
Between 0.7493 inches and 0.7498 inches
Shoulder Length
1.647 inches
Concentric Hole Diameter
0.250 inches
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
175000 pounds per square inch
Material
Steel comp 431
Material Specification
Mil-s-18732 military specification single material response
Surface Treatment
Chromate zinc
Surface Treatment Specification
Mil-p-6808 military specification single treatment response or mil-p-6889 type 1 military specification single treatment response
Style Designator
Concentric hole unthreaded
Thread Series Designator
Unf
NSN
5306-00-693-6576
Part Number
272-4600249
Description
Bolt,internally Relieved Body
CAGE
38597

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 272-4600249 NSN 5306-00-693-6576

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:
KC
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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