Model: A4819-3

Socket Head Cap Screw

Special Features:

Bearing surface 0f head chamfered t0 shank diameter at 20 deg

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.188 inches
Fastener Length
Between 0.171 inches and 0.203 inches
Head Style
Flat chamfer
Head Diameter
Between 0.200 inches and 0.205 inches
Head Height
Between 0.122 inches and 0.125 inches
Hole Diameter
0.031 inches
Spline Minor Diameter
Between 0.096 inches and 0.098 inches
Spline Major Diameter
Between 0.113 inches and 0.115 inches
Spline Width
Between 0.023 inches and 0.025 inches
Internal Drive Style
Six spline
Thread Diameter
0.250 inches
Hole Quantity
5
Hole Type
Drilled
Thready Qty Per Inch (tpi)
40
Hole Configuration Style
Round
Surface Finish
16.0 microinches bearing surface of head
Material
Steel comp 4037
Material Specification
Ams 6300 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Thread Series Designator
Unc
NSN
5305-00-921-0930
Part Number
A4819-3
Description
Screw,cap,socket Head
CAGE
96429

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 A4819-3 NSN 5305-00-921-0930

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:
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:
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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