Model: NAS1493-4

Round Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Small End Diameter

Between 0.851 inches and 0.856 inches

Drive Point Depth

Between 0.050 inches and 0.060 inches

Nut Style

Round

Nut Diameter

Between 0.938 inches and 0.948 inches

Nut Thickness

Between 0.219 inches and 0.224 inches

Drive Point Width

Between 0.125 inches and 0.135 inches

Undercut Thickness

Between 0.100 inches and 0.105 inches

Drive Point Quantity

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 26.0 rockwell c and 33.0 rockwell c

Thread Size

0.664 inches

Countersink Angle

89.5 degrees nut and 90.5 degrees nut

Material

Steel comp 4130

Material Specification

Mil-s-6758 military specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 ty2cl2 federal specification single treatment response

Specification Data

80205-nas1493 professional/industrial association standard

NSN

5310-01-391-9111

Part Number

NAS1493-4

Description

Nut,plain,round

CAGE

80205

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 NAS1493-4 NSN 5310-01-391-9111

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:

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:

576

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