Model: HL218-8-4

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.395 inches
Fastener Length
0.645 inches
Head Style
Flat chamfer
Head Diameter
Between 0.387 inches and 0.412 inches
Head Height
Between 0.059 inches and 0.069 inches
Shoulder Diameter
0.279 inches first shoulder and 0.280 inches first shoulder
Shoulder Length
0.740 inches first shoulder and 0.760 inches first shoulder
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
31.0 rockwell c
Shoulder Shape
Round first shoulder
Material
Steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-6049 military specification 4th material response
Surface Treatment
Cadmium
Thread Series Designator
Unjf
NSN
5306-00-401-7978
Part Number
HL218-8-4
Description
Bolt,shoulder
CAGE
73197

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part HL218-8-4 NSN 5306-00-401-7978

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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:
A
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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