Model: 250-403 1-2

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.18375 inches and 0.21875 inches
Fastener Length
0.21875 inches
Head Style
Flat countersunk
Head Diameter
Between 0.212 inches and 0.216 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
48
Countersink Angle
Between 81.0 degrees and 82.0 degrees
Screw Material
Copper alloy 360
Screw Material Specification
Qq-b-611, comp b federal specification single material response
Thread Series Designator
Unf
NSN
5305-00-090-0499
Part Number
250-403 1-2
Description
Screw,machine
CAGE
55972

Part 250-403 1-2 NSN 5305-00-090-0499

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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