Model: 8858B81

Internally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.590 inches
Fastener Length
3.560 inches
Head Style
Dee chamfer
Head Diameter
1.940 inches
Head Height
0.250 inches
Distance From Centerline To Flat
Between 0.800 inches and 0.805 inches
Shoulder Diameter
Between 1.389 inches and 1.394 inches
Shoulder Length
2.810 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole
Counterbore Diameter
0.880 inches
Concentric Hole Diameter
0.812 inches
Thread Diameter
1.250 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
40.0 rockwell c and 43.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
0.190 inches first hole
Material
Steel comp 4140
Surface Treatment
Cadmium threads
Surface Treatment
Chromium grip
Surface Treatment
Cadmium head
Style Designator
Counterbore unthreaded
Thread Series Designator
Uns
NSN
5306-00-208-0663
Part Number
8858B81
Description
Bolt,internally Relieved Body
CAGE
13002

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 8858B81 NSN 5306-00-208-0663

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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