Model: 503-7-16

Assembled Washer Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.396 inches
Fastener Length
0.438 inches
Head Style
Binding
Head Diameter
Between 0.197 inches and 0.208 inches
Head Height
0.051 inches
Washer Quantity
1
Internal Drive Style
Slot
Thread Diameter
0.051 inches
Thready Qty Per Inch (tpi)
48
Primary Washer Outside Diameter
0.220 inches
Primary Washer Style
Flat internal teeth
Primary Washer Material Thickness
Between 0.027 inches and 0.034 inches
Part Name Assigned By Controlling Agency
Navy special project
Material
Copper alloy fastener
Material
Steel comp 410 primary washer
Surface Treatment
Nickel threads
Surface Treatment
Passivate primary washer
Thread Series Designator
Unc
NSN
5305-00-685-7658
Part Number
503-7-16
Description
Screw,assembled Washer
CAGE
00781

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

Part 503-7-16 NSN 5305-00-685-7658

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:
096630
UFC:
50590
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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