Model: 03A251-5CH

Hexagon Plain Nut

Properties:

Thread Class

Thread Direction

Left-hand

Nut Style

Hexagon

Nut Height

0.219 inches

Drilled Hole Diameter

Between 0.045 inches and 0.050 inches

Hole Type And Quantity

3 drilled

Width Across Flats

Between 0.490 inches and 0.502 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Hole Configuration Style

Configuration b

Countersink Angle

109.0 degrees both ends and 111.0 degrees both ends

Bearing Surface Type

Chamfered

Bearing Surface Finish

125.0 microinches

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Specification Data

80205-nas509 professional/industrial association standard

NSN

5310-01-121-1693

Part Number

03A251-5CH

Description

Nut,plain,hexagon

CAGE

1W025

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 03A251-5CH NSN 5310-01-121-1693

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:

0.1000lbs

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