Model: 18817-1

Round Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Counterbore Diameter

4.890 inches nut

Nut Diameter

5.640 inches

Nut Thickness

0.760 inches

Nut Counterbore Depth

0.160 inches nut

Thread Series

Unj

Thready Qty Per Inch (tpi)

Hardness Rating

Between 39.0 rockwell c and 42.0 rockwell c

Thread Size

4.750 inches

Countersink Angle

90.0 degrees nut

Material

Steel

Surface Treatment

Chromium

Surface Treatment Specification

Qq-c-320, class 2 federal specification single treatment response

NSN

5310-01-015-1947

Part Number

18817-1

Description

Nut,plain,round

CAGE

26512

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 18817-1 NSN 5310-01-015-1947

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:

1.6000lbs

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