Model: F421KL-0420

Assembled Washer Plain Nut

Properties:

Thread Class
2b
Thread Direction
Right-hand
Washer Outside Diameter
Between 0.482 inches and 0.505 inches
Overall Height
0.234 inches
Nut Style
External tooth
Nut Height
Between 0.178 inches and 0.193 inches
Width Across Flats
Between 0.423 inches and 0.438 inches
Thread Series
Unc
Thready Qty Per Inch (tpi)
20
Thread Size
0.250 inches
Material
Steel nut
Material
Steel washer
Material Specification
G-286m fscm 77758 mfr ref 1st material response nut
Surface Treatment
Cadmium or zinc
NSN
5310-00-696-5173
Part Number
F421KL-0420
Description
Nut,plain,assembled Washer
CAGE
27601

A plain nut on which has been assembled a nonremovable washer.

Part F421KL-0420 NSN 5310-00-696-5173

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21824
FIIG:
A021A0
Concept No.:
1
App. Key:
AD
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
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:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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