Model: X50221-16

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.375 inches
Head Style
Round
Head Diameter
Between 0.240 inches and 0.260 inches
Head Height
Between 0.091 inches and 0.103 inches
Washer Quantity
1
Internal Drive Style
Torque
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Primary Washer Outside Diameter
Between 0.278 inches and 0.288 inches
Primary Washer Style
Flat internal teeth
Primary Washer Material Thickness
0.018 inches
Material
Steel
Thread Series Designator
Unc
NSN
5305-00-637-6648
Part Number
X50221-16
Description
Screw,assembled Washer
CAGE
02622

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part X50221-16 NSN 5305-00-637-6648

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06660
FIIG:
A003B0
Concept No.:
App. Key:
SA
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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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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