Model: 4250-6-18G

Machine Screw

Special Features:

Installed in head on bearing surface is an o-ring, silicone rubber, composition a

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.670 inches
Fastener Length
Between 0.720 inches and 0.750 inches
Head Style
Pan no. 2
Head Diameter
Between 0.205 inches and 0.238 inches
Head Height
Between 0.070 inches and 0.080 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Screw Material
Stainless steel
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Color
Gray
Thread Series Designator
Unc
NSN
5305-01-339-8635
Part Number
4250-6-18G
Description
Screw,machine
CAGE
82340

Part 4250-6-18G NSN 5305-01-339-8635

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
TCC:
Z
SHC:
9
ACC:
Construction Materials

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