Model: 7540474

Round Plain Nut

Properties:

Thread Pitch Diameters

+2.1201/+2.1252 inches

Thread Direction

Left-hand

Drive Point Depth

0.344 inches

Nut Style

Round

Nut Diameter

Between 3.178 inches and 3.198 inches

Nut Thickness

Between 0.552 inches and 0.572 inches

Drive Point Width

Between 0.240 inches and 0.260 inches

Drive Point Quantity

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 32.0 rockwell c and 36.0 rockwell c

Thread Size

2.156 inches

Material

Steel comp 4140 or steel comp 4340 or steel comp 8640 or steel comp 8740

Material Specification

Astm a322 assn standard all material responses or astm a331 assn standard all material responses

Surface Treatment

Phosphate manganese

Surface Treatment Specification

Mil-p-16232, ty m, cl 1 military specification single treatment response

NSN

5310-00-754-0474

Part Number

7540474

Description

Nut,plain,round

CAGE

19207

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 7540474 NSN 5310-00-754-0474

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:

0.6000lbs

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