Model: 427531-1

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.707 inches
Fastener Length
0.875 inches
Head Style
Fillister
Head Diameter
1.000 inches
Head Height
0.125 inches
Internal Drive Style
Hexagon
Thread Diameter
0.562 inches
Width Across Flats
Between 0.312 inches and 0.315 inches
Thready Qty Per Inch (tpi)
12
Material
Steel comp 4140 or steel comp e4340
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response
Thread Series Designator
Unc
NSN
5305-01-352-8462
Part Number
427531-1
Description
Screw,cap,socket Head
CAGE
80020

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 427531-1 NSN 5305-01-352-8462

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:
A
ESD:
ESD:
MMAC:
CRITL:
F

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:
ZZ
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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