Model: 55-22020-24A

Round Plain Nut

Properties:

Thread Class

Thread Direction

Left-hand

Nut Style

Round

Nut Diameter

Between 1.623 inches and 1.625 inches

Nut Thickness

1.500 inches

Drilled Hole Diameter

0.250 inches

Hole Type And Quantity

2 drilled

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

1.375 inches

Hole Configuration Style

Configuration f

Part Name Assigned By Controlling Agency

Navy special project

Material

Copper alloy

Material Specification

Qq-n-286 federal specification single material response

NSN

5310-01-112-4380

Part Number

55-22020-24A

Description

Nut,plain,round

CAGE

52081

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 55-22020-24A NSN 5310-01-112-4380

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:

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:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415290000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded