Model: 505550

Externally Relieved Body Bolt

Properties:

Thread Class
1a
Thread Direction
Right-hand
Thread Length
Between 0.432 inches and 0.512 inches
Fastener Length
Between 0.990 inches and 1.010 inches
Head Style
Hexagon
Head Height
Between 0.271 inches and 0.291 inches
Width Between Flats
Between 0.492 inches and 0.502 inches
Hole Diameter
0.070 inches
Shank Unthreaded Hole Diameter
0.060 inches first hole
First Diameter From Head
Between 0.276 inches and 0.286 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.310 inches and 0.370 inches
Thread Diameter
0.312 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Hole Configuration Style
Hexagon longitudinal hole
Distance From Head Largest Bearing Surface To Shank Hole Center
0.890 inches first hole and 0.930 inches first hole
Externally Relieved Body Diameter Quantity
1
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-909-5428
Part Number
505550
Description
Bolt,externally Relieved Body
CAGE
80539

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 505550 NSN 5306-00-909-5428

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
Concept No.:
App. Key:
BF
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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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