Model: 439231-2

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.204 inches
Fastener Length
Between 0.219 inches and 0.281 inches
Head Style
Round
Head Diameter
Between 0.146 inches and 0.162 inches
Head Height
Between 0.059 inches and 0.069 inches
Washer Quantity
1
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Primary Washer Outside Diameter
Between 0.175 inches and 0.185 inches
Primary Washer Style
Flat internal teeth
Primary Washer Material Thickness
Between 0.011 inches and 0.015 inches
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5305-00-530-9057
Part Number
439231-2
Description
Screw,assembled Washer
CAGE
94580

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

Part 439231-2 NSN 5305-00-530-9057

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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