Model: B18231A20040N

Hexagon Head Cap Screw

Properties:

Thread Direction
Right-hand
Thread Length
Between 35.0 millimeters and 40.0 millimeters
Fastener Length
40.0 millimeters
Head Style
Hexagon
Head Height
Between 12.12 millimeters and 12.88 millimeters
Width Between Flats
30.0 millimeters
Thread Diameter
20.0 millimeters
Min. Tensile Strength (psi)
1040 megapascals
Hardness Rating
33.0 rockwell c and 39.0 rockwell c
Minimum Yield Strength
940 megapascals
Thread Pitch In Millimeters
2.5
Material
Steel property class 10.9
Material Specification
Ifi-501 cl 10.9 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response or mil-c-81562 type 2 cl 2 military specification single treatment response
Thread Series Designator
Iso m
NSN
5305-01-076-4924
Part Number
B18231A20040N
Description
Screw,cap,hexagon Head
CAGE
80204

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part B18231A20040N NSN 5305-01-076-4924

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
Concept No.:
App. Key:
SB
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:
0.3000lbs
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:
713
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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