Model: RRT-187L

Retaining Ring

Special Features:

Material aisi/sae 1070-1090: surface treatment mil-p-16232 type z, class 2

Properties:

Cross Sectional Shape

Double oval

Inside Diameter

1.728 inches

Casehardening Indicator

Not casehardened

Outside Diameter

1.984 inches

Major Thickness

0.062 inches

Ring Style

Special flat

End Application

Fwd transmisson

Usage Design

Internal

Material Hardness Rating

Between 85.5 rockwell superficial 15-n and 89.3 rockwell superficial 15-n

Strength Rating

269000.0 pounds per square inch tensile

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel, aisi 1070 or steel, aisi 1078 or steel, aisi 1074 or steel, aisi 1080 or steel, aisi 1090

Material

Steel comp 1070 or steel comp 1078 or steel comp 1074 or steel comp 1080 or steel comp 1090

Material Specification

Aisi 1070 assn standard 1st material response and aisi 1078 assn standard 2nd material response and aisi 1074 assn standard 3rd material response and aisi 1080 assn standard 4th material response and aisi 1090 assn standard 5th material response

Surface Treatment

Phosphate zinc

Surface Treatment

Phosphate, mil-p-16232, type z, class 2

NSN

5325-01-466-7316

Part Number

RRT-187L

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 RRT-187L NSN 5325-01-466-7316

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:

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