Model: 0.250-20UNC-2AX0.50 CRESD4

Socket Head Cap Screw

Special Features:

Quality assurance tested and certified for deep submergence systems

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
0.500 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Criticality Code Justification
Feat
Part Name Assigned By Controlling Agency
Screw, button head hexagon socket
Material
Stainless steel
Thread Series Designator
Unc
NSN
5305-01-649-2520
Part Number
0.250-20UNC-2AX0.50 CRESD4
Description
Screw,cap,socket Head
CAGE
03950

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-2AX0.50 CRESD4 NSN 5305-01-649-2520

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:
Y

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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