Model: 228258

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.149 inches and 0.236 inches
Fastener Length
Between 0.219 inches and 0.250 inches
Head Style
Round
Head Diameter
Between 0.217 inches and 0.236 inches
Head Height
Between 0.083 inches and 0.095 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
Thread Diameter
0.125 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
40.0 rockwell c primary washer and 50.0 rockwell c primary washer
Primary Washer Outside Diameter
Between 0.245 inches and 0.255 inches
Primary Washer Style
Flat external teeth
Primary Washer Material Thickness
Between 0.014 inches and 0.020 inches
Material
Steel
Material Specification
Sae assn standard all material responses
Surface Treatment
Cadmium or zinc
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
5305-00-022-8258
Part Number
228258
Description
Screw,assembled Washer
CAGE
21450

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

Part 228258 NSN 5305-00-022-8258

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:
--
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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