Retaining Ring

NSN: 5325-00-281-9878 | Model: 839665-00

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

5325-00-281-9878

DEMIL

Cross Sectional Shape

Rounded corners

Inside Diameter

0.455 inches

Casehardening Indicator

Not casehardened

Outside Diameter

0.567 inches

Major Thickness

0.056 inches

End Style

90 degree parallel

Ring Style

Straight gap

Usage Design

External

Material

Steel

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium plated and iridite dip

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE5E820T6331	2020-03-05	PHPHA	4255 EA
SPE5E320T4980	2020-02-24	PHPHC	4255 EA
SPE5E319T120R	2019-05-10	PHPHC	9200 EA
SPE5E318T170R	2018-07-12	PAA64	6732 EA
SPE5E318T098B	2018-06-11	PAA64	5829 EA
SPE5E318T9165	2018-04-09	PAA64	1520 EA
SPE5E318T0411	2017-10-17	PAA64	2807 EA

Inventory Check

The last inventory check on this NSN was done on 04/25/2024. Due to rapid changes in inventory this may not be the current stock qty.

New: 921
New Surplus: 495
Serviceable: 1

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 5325-00-281-9878 Datasheet

Supply Class (FSC):

Fastening Devices

Cross Reference:

839665-00
10611505-1
R4T
R4T
55147-101
0117449N00
200726094-01
771862006108
9D0283-1

Cage Codes:

Defense Reduction Agency (CAGE 32345)
U S Army Aviation and Missile (CAGE 18876)
Arconic Global Fasteners & Rings, (CAGE 71286)
Alcoa Fastening Systems (CAGE D0680)
Airbus Helicopters (ets Demarignane) (CAGE F0210)
Mbda France (CAGE F0555)
Air Force United States Department (CAGE 98748)
Ncb Hungary Honvedsegi Egyseges (CAGE 0000V)
Boeing Company, The (CAGE 88277)

Replacements:

5325-00-281-9878 replaces 5325-00-514-2818
5325-00-281-9878 replaces 5325-00-966-4206
5325-00-281-9878 replaces 5325-00-970-0884
5325-00-281-9878 replaces 5325-01-093-5662

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:

063520 - Waveguide in boxes/crates
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:

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

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
V
Quantity per pack
10
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
15b2---
Repariability
This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $5.91 to $9.86..
Does NSN 5325-00-281-9878 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, Defense Threat Reduction Agency, Department Of The Navy, Austria, Estonia, Hungary, Poland, Brazil, Spain, Columbia, Singapore, Malaysia, Belgium, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 5325-00-281-9878?
002819878 or 00-281-9878
Does NSN 5325-00-281-9878 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-00-281-9878?
Solicitation SPE5E820T6331 for qty 4255 on 02/27/2020
When was this national stock number assigned to the federal catalog?
Jan 01, 1961