Model: A3307785-1

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fastener Length
Between 0.230 inches and 0.250 inches
Head Style
Pan no. 2
Head Diameter
Between 0.145 inches and 0.156 inches
Head Height
Between 0.053 inches and 0.062 inches
Washer Quantity
2
Internal Drive Style
Cross recess type ii
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Secondary Washer Relationship To Primary Washer
Not identical
Secondary Washer Style
Flat
Primary Washer Outside Diameter
Between 0.145 inches and 0.156 inches
Secondary Washer Outside Diameter
Between 0.225 inches and 0.235 inches
Primary Washer Style
Split helical ring
Primary Washer Material Thickness
Between 0.018 inches and 0.038 inches
Secondary Washer Material Thickness
Between 0.010 inches and 0.030 inches
Part Name Assigned By Controlling Agency
Screw, pan head, phillips, double sems
Material
Steel property class 18.8 primary washer
Material
Steel property class 18.8 secondary washer
Material
Steel property class 18.8 fastener
Surface Treatment
Passivate
Surface Treatment Specification
Astm a380 assn standard single treatment response
Thread Series Designator
Unc
NSN
5305-01-566-3173
Part Number
A3307785-1
Description
Screw,assembled Washer
CAGE
80063

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

Part A3307785-1 NSN 5305-01-566-3173

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:
A
ESD:
A
ESD:
A
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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