Model: 421550

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.089 inches and 0.125 inches
Fastener Length
Between 0.094 inches and 0.125 inches
Head Style
Round
Head Diameter
Between 0.146 inches and 0.162 inches
Head Height
Between 0.059 inches and 0.069 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
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
5305-00-285-4577
Part Number
421550
Description
Screw,machine
CAGE
21450

Part 421550 NSN 5305-00-285-4577

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

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