Model: 645-0339

Round Plain Nut

Properties:

Thread Class

Thread Direction

Left-hand

Nut Style

Round

Nut Diameter

0.860 inches

Nut Thickness

Between 0.247 inches and 0.253 inches

Hole Type And Quantity

1 tapped

Width Across Flats

Between 0.748 inches and 0.752 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Hole Configuration Style

Configuration g

Hole Thread Diameter

0.500 inches

Material

Steel

Material Specification

Rm-054-5056, fscm 18797 mfr ref single material response

Surface Treatment

Oxide

NSN

5310-01-104-4551

Part Number

645-0339

Description

Nut,plain,round

CAGE

18797

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 645-0339 NSN 5310-01-104-4551

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15887

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:

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