Model: 1939970

Externally Relieved Body Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.800 inches and 0.920 inches
Fastener Length
Between 5.870 inches and 5.930 inches
Head Style
Hexagon extended washer
Head Height
0.256 inches
Width Between Flats
Between 0.363 inches and 0.375 inches
Extended Washer Diameter
0.500 inches
Extended Washer Thickness
0.032 inches
First Diameter From Head
0.260 inches
Second Diameter From Head
Between 0.216 inches and 0.220 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.190 inches and 0.250 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 5.010 inches and 5.070 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Externally Relieved Body Diameter Quantity
2
Material
Steel comp 1008
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5306-00-879-4603
Part Number
1939970
Description
Bolt,externally Relieved Body
CAGE
1LW55

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 1939970 NSN 5306-00-879-4603

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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