Model: SMB414389

Square Plain Nut

Special Features:

Corners rounded to fit 0.500 in. Diameter bolt circle

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Style
Square
Nut Height
0.175 inches
Width Across Flats
0.437 inches
Thread Series
Unef
Thready Qty Per Inch (tpi)
32
Thread Size
0.375 inches
Bearing Surface Type
Flat
Material
Steel comp 303
Material Specification
Qq-s-763, cond a federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-f-14072, e300 military specification single treatment response
NSN
5310-00-137-3419
Part Number
SMB414389
Description
Nut,plain,square
CAGE
80063

A nut, flat on top and bottom, having 4 flat sides. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part SMB414389 NSN 5310-00-137-3419

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01858
FIIG:
A021A0
Concept No.:
1
App. Key:
AG
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:

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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