Model: 31TA20

Octagon Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Nut Style
Plain, octagon
Nut Height
0.375 inches
Width Across Flats
4.875 inches
Thread Series
Un
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
12
Thread Size
3.375 inches
Bearing Surface Type
Washer faced
Material
Steel
Material Specification
66 federal standard all material responses
NSN
5310-00-374-0836
Part Number
31TA20
Description
Nut,plain,octagon
CAGE
45152

A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. 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 31TA20 NSN 5310-00-374-0836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16979
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
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:
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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