Model: UR-218BX

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

1.973 inches

Casehardening Indicator

Not casehardened

Outside Diameter

Between 2.289 inches and 2.314 inches

Major Thickness

Between 0.029 inches and 0.033 inches

Ring Style

Special

Usage Design

Internal

Strength Rating

221000.0 pounds per square inch tensile

Material

Steel, fed standard 66, aisi/sae 1070 or 1078 or 1080 or 1084 or 1090

Material

Steel, fed standard 66, aisi/sae 1070 or 1078 or 1080 or 1084 or 1090

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924, class 1 military specification single treatment response

Surface Treatment

Black oxide, mil-c-13924, class 1

NSN

5325-01-130-3339

Part Number

UR-218BX

Description

Ring,retaining

CAGE

80756

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

Part UR-218BX NSN 5325-01-130-3339

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07623

FIIG:

T252-G

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 9606100000
SITC: 89983
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor