Model: 28706L4C8

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Fastener Length
Between 0.490 inches and 0.510 inches
Head Style
Headless (setscrew)
Locking Feature
Patch threads
Point Style
Half dog
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c fastener and 53.0 rockwell c fastener
Color
Black fastener
Material
Plastic locking feature
Material
Steel fastener
Surface Treatment
Oxide fastener
Thread Series Designator
Unrc
NSN
5305-01-258-8490
Part Number
28706L4C8
Description
Setscrew
CAGE
02310

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 28706L4C8 NSN 5305-01-258-8490

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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:
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:
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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