Model: NAS720-6-4

Assembled Washer Screw
Description:

2a thread class, right-hand , 0.125 inches thread length, 0.218 inches fastener length, pan head style, 0.256 inches head diameter.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.125 inches and 0.157 inches
Fastener Length
Between 0.218 inches and 0.250 inches
Head Style
Pan
Head Diameter
Between 0.256 inches and 0.270 inches
Head Height
Between 0.072 inches and 0.082 inches
Washer Quantity
2
Internal Drive Style
Slot
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
55000 pounds per square inch
Secondary Washer Relationship To Primary Washer
Not identical
Secondary Washer Style
Flat
Primary Washer Outside Diameter
0.253 inches
Secondary Washer Outside Diameter
Between 0.253 inches and 0.263 inches
Primary Washer Style
Split helical ring
Primary Washer Material Thickness
0.031 inches
Secondary Washer Material Thickness
Between 0.013 inches and 0.019 inches
Material
Steel comp 1010
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Thread Series Designator
Unc
Specification Data
80205-nas720 professional/industrial association standard
NSN
5305-00-004-5326
Part Number
NAS720-6-4
Description
Screw,assembled Washer
CAGE
80205

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

Part NAS720-6-4 NSN 5305-00-004-5326

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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