Model: LK21095-4004

Machine Bolt

Special Features:

Locking feature material plastic polymide

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.506 inches
Fastener Length
Between 0.704 inches and 0.750 inches
Head Style
Hexagon
Head Height
Between 0.140 inches and 0.172 inches
Width Between Flats
Between 0.428 inches and 0.440 inches
Locking Feature
Patch threads
Thread Diameter
0.250 inches
Grip Length
Between 0.240 inches and 0.260 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
80000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Material
Plastic polyamide locking feature
Material
Steel comp 431 fastener
Material
Stainless steel
Material Specification
Mil-f-18240 military specification single material response locking feature
Material Specification
Mil-s-18732 military specification single material response fastener
Surface Treatment
Passivate
Thread Series Designator
Unf
NSN
5306-01-004-0397
Part Number
LK21095-4004
Description
Bolt,machine
CAGE
26304

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 LK21095-4004 NSN 5306-01-004-0397

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:
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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