Model: 021-31701-000

Socket Head Cap Screw

Special Features:

Fastener is per ansi b18.3

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.360 inches
Fastener Length
0.375 inches
Head Style
Flat chamfer
Head Diameter
0.312 inches
Head Height
0.190 inches
Internal Drive Style
Hexagon
End Application
Piping system units 2 and 4 , ssn 688 class
Thread Diameter
0.190 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
24
Material
Steel fastener
Material Specification
Mil-f-18240.Ty p military specification single material response locking feature
Thread Series Designator
Unc
NSN
5305-01-556-0040
Part Number
021-31701-000
Description
Screw,cap,socket Head
CAGE
66935

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 021-31701-000 NSN 5305-01-556-0040

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:
A
ESD:
A
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:
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:
096640
UFC:
50600
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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