Model: NAS1291-5

Hexago Extended Washer Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Washer Outside Diameter

0.520 inches

Overall Height

Between 0.253 inches and 0.266 inches

Nut Style

Hexagon

Washer Thickness

0.023 inches

Width Across Flats

Between 0.367 inches and 0.378 inches

Tempurature Rating

550.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Material

Steel

Surface Treatment

Cadmium

NSN

5310-00-833-2240

Part Number

NAS1291-5

Description

Nut,plain,extended Washer,hexago

CAGE

80205

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part NAS1291-5 NSN 5310-00-833-2240

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04889

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:

093483

UFC:

48950

LTL:

60.0

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