Model: 266-521

Wing Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Fabrication Method

Forged

Wing Spread Width

Between 1.120 inches and 1.250 inches

Overall Height

Between 0.520 inches and 0.660 inches

Body Diameter

Between 0.510 inches and 0.580 inches

Nut Style

Wing

End Application

Mrap-rg-33 armored utility vehicle (auv)

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.3125 inches

Material

Steel

Surface Treatment

Zinc

Surface Treatment Specification

Astm b633, type 2, class fe/zn12 assn standard single treatment response

NSN

5310-01-183-5514

Part Number

266-521

Description

Nut,plain,wing

CAGE

51868

A nut having wings designed for manual turning without driver or wrench.

Part 266-521 NSN 5310-01-183-5514

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01862

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