Model: 0.250-20UNC-3AX0.375 STL

Socket Head Cap Screw

Special Features:

Self locking

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.375 inches
Head Style
Flat chamfer
Head Diameter
Between 0.428 inches and 0.438 inches
Head Height
Between 0.150 inches and 0.163 inches
Internal Drive Style
Hexagon
End Application
Ball valve
Thread Diameter
0.250 inches
Width Across Flats
0.4375 inches
Thready Qty Per Inch (tpi)
20
Material
Steel uns k03104
Material Specification
Ff-s-86 federal standard single material response
Thread Series Designator
Unc
NSN
5305-01-628-6355
Part Number
0.250-20UNC-3AX0.375 STL
Description
Screw,cap,socket Head
CAGE
81349

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 0.250-20UNC-3AX0.375 STL NSN 5305-01-628-6355

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:
X

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:
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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