Model: 291AS127-2

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.740 inches and 0.790 inches
Fastener Length
Between 1.625 inches and 1.655 inches
Head Style
Hexagon
Head Height
Between 0.188 inches and 0.203 inches
Width Between Flats
Between 0.553 inches and 0.564 inches
Thread Diameter
0.375 inches
Grip Length
Between 0.865 inches and 0.885 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
26.0 rockwell c and 36.0 rockwell c
Surface Finish
32.0 microinches threads
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Material
Steel comp e4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-00-784-1559
Part Number
291AS127-2
Description
Bolt,machine
CAGE
30003

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 291AS127-2 NSN 5306-00-784-1559

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:
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:
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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