Model: 18551

Rectangular Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Plain, rectangular

Nut Length

0.188 inches

Nut Height

0.050 inches

Nut Width

0.156 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.086 inches

Material

Steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316

Material Specification

Mil-s-5059 military specification all material responses

Surface Treatment

Passivate

NSN

5310-00-687-7578

Part Number

18551

Description

Nut,plain,rectangular

CAGE

09384

A nut, flat on top and bottom, having four flat sides of which two parallel sides are shorter than the other two. For items having a thickness (or height) exceeding two times the width, use post, electrical-mechanical equipment. (when height or thickness and/or width is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 18551 NSN 5310-00-687-7578

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15890

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

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