Model: B1831BH120025N

Socket Head Cap Screw

Properties:

Thread Direction
Right-hand
Thread Length
25.0 millimeters
Fastener Length
25.0 millimeters
Head Style
Flat chamfer
Head Diameter
Between 17.6 millimeters and 18.0 millimeters
Head Height
Between 11.7 millimeters and 12.0 millimeters
Internal Drive Style
Hexagon
Thread Diameter
12.0 millimeters
Width Across Flats
Between 12.0 millimeters and 12.1 millimeters
Min. Tensile Strength (psi)
1220 megapascals
Hardness Rating
38.0 rockwell c and 44.0 rockwell c
Minimum Yield Strength
1100 megapascals
Thread Pitch In Millimeters
1.75
External Thread Tolerance Class
4g6g
Material
Steel property class 12.9
Material Specification
Din 912 national specification single material response
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633, type 2, class 3 assn standard single treatment response
Thread Series Designator
M
NSN
5305-01-434-3749
Part Number
B1831BH120025N
Description
Screw,cap,socket Head
CAGE
80204

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part B1831BH120025N NSN 5305-01-434-3749

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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