Model: 263981R1

Square Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Square

Nut Height

0.688 inches

Width Across Flats

0.875 inches

Thread Series

Unf

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Bearing Surface Type

Chamfered

Material

Steel comp 1115 or steel comp 1117

Material Specification

Aisi assn standard single material response

NSN

5310-00-424-8350

Part Number

263981R1

Description

Nut,plain,square

CAGE

92679

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 263981R1 NSN 5310-00-424-8350

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01858

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:

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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