Model: CR 5554-4

Extended Washer Self-locking Nut

Special Features:

Two drive points, at 180 degree angle, have been omitted

Properties:

Thread Class

Thread Pitch Diameters

+0.2268/+0.2300 inches

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.430 inches

Overall Height

0.375 inches

Nut Style

Double hexagon

Washer Thickness

0.050 inches

Width Across Flats

0.3125 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Stainless steel

NSN

5310-01-174-9098

Part Number

CR 5554-4

Description

Nut,self-locking,extended Washer

CAGE

F0224

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part CR 5554-4 NSN 5310-01-174-9098

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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