Model: 31TA20

Octagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Plain, octagon

Nut Height

0.375 inches

Width Across Flats

4.875 inches

Thread Series

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

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