Model: 421570

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.138 inches and 0.188 inches
Fastener Length
Between 0.156 inches and 0.188 inches
Head Style
Round
Head Diameter
Between 0.217 inches and 0.236 inches
Head Height
Between 0.083 inches and 0.095 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.125 inches
Thready Qty Per Inch (tpi)
40
Screw Surface Treatment
Cadmium or zinc
Screw Surface Treatment Specification
Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response
Thread Series Designator
Unc
NSN
5305-00-285-4539
Part Number
421570
Description
Screw,machine
CAGE
21450

Part 421570 NSN 5305-00-285-4539

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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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