Model: 21730-003

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

0.553 inches

Casehardening Indicator

Not casehardened

Major Thickness

0.035 inches

Ring Style

Usage Design

External

Material

Steel, aisi 1060 or steel, aisi 1065 or steel, aisi 1070 or steel, aisi 1074

Material

Steel comp 1060 or steel comp 1065 or steel comp 1070 or steel comp 1074

Material Specification

Aisi 1060 assn standard 1st material response and aisi 1065 assn standard 2nd material response and aisi 1070 assn standard 3rd material response and aisi 1074 assn standard 4th material response

Surface Treatment

Phosphate

Surface Treatment

Phosphate

NSN

5325-01-311-6943

Part Number

21730-003

Description

Ring,retaining

CAGE

50703

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 21730-003 NSN 5325-01-311-6943

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:

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:

RATING VARIABLE

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