Retaining Ring

NSN: 5325-01-185-1882 | Model: RR-181SK

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 par (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.

NSN Properties and Flags

NATO Stock Number

5325-01-185-1882

DEMIL

Cross Sectional Shape

Double oval

Inside Diameter

Between 1.668 inches and 1.672 inches

Casehardening Indicator

Not casehardened

Outside Diameter

Between 1.894 inches and 1.914 inches

Major Thickness

Between 0.046 inches and 0.052 inches

Ring Style

Special flat

Usage Design

Internal

Material Hardness Rating

Between 72.0 rockwell a and 74.9 rockwell a

Strength Rating

178000.0 pounds per square inch yield

Special Features

Material and surface specification ams 7330

Material

Steel, chrome-nickel-molybdenum

Material

Steel comp 4340

Surface Treatment

Passivated

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE5E419T240A	2019-09-26	PHPHB	54 EA
SPE5E418T4125	2018-01-09	PHPHB	46 EA

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5325-01-185-1882 Datasheet

Supply Class (FSC):

Fastening Devices

Cross Reference:

RR-181SK
AS3217-145
980008-181
980008-181

Cage Codes:

Spirolox, Inc. (CAGE 80756)
Society Of Automotive Engineers Inc (CAGE 81343)
Goodrich Actuation Systems Bucvernon (CAGE F1688)
Lucas France Sa Div Aerospace France (CAGE F6103)

Schedule B & Trade:

Schedule B: 9606100000 (NAICS 339993)

Press-fasteners, snap-fasteners & press-studs & parts therefor
SITC: 89983

Press-fasteners, snap-fasteners and press-studs and parts therefor; buttons
End Use: 12640

Finished textile supplies

Identification:

HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

115620 - Bushings noi i/s
WCC:

713 - Metal hardware
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

R - 65.0
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9---n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $38.92 to $64.87..
Does NSN 5325-01-185-1882 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, Poland, Brazil, Spain, Malaysia, Australia, Belgium, Canada, France, Republic Of Korea, Netherlands, Italy, Norway, Greece, and Turkey
What is the NIIN of NSN 5325-01-185-1882?
011851882 or 01-185-1882
Does NSN 5325-01-185-1882 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-01-185-1882?
Solicitation SPE5E419T240A for qty 54 on 09/19/2019
When was this national stock number assigned to the federal catalog?
Jul 26, 1984