Model: 42R2055-40

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Casehardening Indicator

Not casehardened

Outside Diameter

Between 0.826 inches and 0.841 inches

Major Thickness

Between 0.032 inches and 0.037 inches

Ring Style

Internal

Usage Design

Internal

Material Hardness Rating

Between 67.5 rockwell superficial 30-n and 72.0 rockwell superficial 30-n

Material

Steel, fed standard 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090

Material

Steel, fed standard 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 or 1090

Surface Treatment

Phosphate

Surface Treatment

Phosphate, dod-p-16232

NSN

5325-00-174-9889

Part Number

42R2055-40

Description

Ring,retaining

CAGE

10001

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 42R2055-40 NSN 5325-00-174-9889

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:

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