NSN 5325-00-527-1987

Retaining Ring

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

005271987

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NS: 75
NE: 1512
SV: 30
AR: 1
OH: 1

Please note that inventory for this NSN was updated 03/24/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "RING,RETAINING"

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.

5325-00-527-1987 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

AAGR

Cross Sectional Shape

Rounded corners

MRC:

AARX

Inside Diameter

2.200 inches

MRC:

AASG

Casehardening Indicator

Not casehardened

MRC:

ABKV

Outside Diameter

2.476 inches

MRC:

ABMC

Major Thickness

0.048 inches

MRC:

ACXD

Ring Style

Special flat

MRC:

ALBY

Usage Design

Internal

MRC:

ALME

Material Hardness Rating

Between 59.3 rockwell superficial 30-n and 67.2 rockwell superficial 30-n

MRC:

AWQD

Strength Rating

185000.0 pounds per square inch tensile

MRC:

MATL

Material

Steel, aisi, 302

MRC:

MATT

Material

Steel, aisi, 302

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

M274263-157D

Cage Code:

D9182

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M2742630157D

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RR237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3415-237S

Cage Code:

99167

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS3217-157

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RD15951-237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M274263-157D

Cage Code:

D9182

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M2742630157D

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RR237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3415-237S

Cage Code:

99167

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS3217-157

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RD15951-237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M274263-157D

Cage Code:

D9182

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

M2742630157D

Cage Code:

81349

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RR237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

3415-237S

Cage Code:

99167

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS3217-157

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

RD15951-237S

Cage Code:

80756

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07623

FIIG:

T252-G

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

9606100000

NAICS:

339993

End Use Class:

12640

SITC:

89983

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 9606100000

Studs & Parts Therefor Fasteners & Press Fasteners, Snap Press

End Use Code 12640

Finished Textile Supplies

Standard Intl. Trade Class (SITC) 89983

Studs and Parts Therefor; Buttons Fasteners and Press Fasteners, Snap Press

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

063520

NMF Description:

Waveguide In Boxes/crates

UFC:

49770

LTL:

Rating variable

LCL:

WCC:

723

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 723

Radio parts and equipment, excluding tubes packed separately.

Air Commodity (ACC) H

Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps).

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)