Model: 51070-1-001-21

Hexagon Plain Nut

Special Features:

Item must comply with requirements of defense supply center philiadelphiproduction standard no. Po0338nrp

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.427 inches and 0.448 inches

Width Across Flats

Between 0.736 inches and 0.750 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Criticality Code Justification

Zzzy

Bearing Surface Type

Chamfered or washer faced

Material

Copper alloy 651

Material Specification

Qq-c-591, alloy 651 federal specification single material response

Special Test Features

Special quality control testing

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

1 style

Departure From Cited Document

As modified by material which must comform to ships parts control center special quality control provisions

Reference Number Differentiating Characteristics

Reference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp

NSN

5310-01-293-5327

Part Number

51070-1-001-21

Description

Nut,plain,hexagon

CAGE

98425

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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 51070-1-001-21 NSN 5310-01-293-5327

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

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:

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:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415290000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded