Model: NTB254

Machine Bolt

Properties:

Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
3.500 inches
Head Style
Dee chamfer
Head Diameter
1.250 inches
Head Height
0.469 inches
Distance From Centerline To Flat
0.500 inches
Thread Diameter
0.625 inches
Grip Length
2.500 inches
Features Provided
Unfinished head
Nonstandard Thread Pitch Diameter
+0.5859/+0.5889 inches
Thready Qty Per Inch (tpi)
18
Material
Magnesium
Thread Series Designator
Unf
NSN
5306-00-391-8032
Part Number
NTB254
Description
Bolt,machine
CAGE
6X081

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part NTB254 NSN 5306-00-391-8032

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
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:
--
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:
094570
UFC:
48840
LTL:
77.5
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8104900000
  • SITC: 69994
  • End Use: Finished metal shapes
  • NAICS: 331491
  • USDA: 1

Freight Class: Magnesium, wrought

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