Model: 554-4494-001

Internally Relieved Body Bolt

Properties:

Threads Per Inch
32 concentric hole
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.250 inches and 1.312 inches
Fastener Length
1.90625 inches
Head Diameter
0.312 inches
Head Height
0.250 inches
Concentric Hole Depth
Between 1.34375 inches and 1.40625 inches
Concentric Hole Diameter
Between 0.184 inches and 0.186 inches
Thread Diameter
0.250 inches
Thread Series
Unc concentric hole
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
190000 pounds per square inch
Thread Size
0.0315 inches concentric hole
Material
Stainless steel
Material Specification
Ams 5643 assn standard single material response
Surface Treatment
Passivate
Style Designator
Counterbore threaded
Thread Series Designator
Unf
NSN
5306-00-103-6914
Part Number
554-4494-001
Description
Bolt,internally Relieved Body
CAGE
13499

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 554-4494-001 NSN 5306-00-103-6914

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:
CX
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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