Product Details | RETAINING RING

5325-00-180-5731 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 Alternates: A8541, A85-41, B1181, B118-1 , 1181, 118-1 , 5325-00-180-5731, 00-180-5731, 5325001805731, 001805731

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-180-5731

Drawings & Photos | NSN 5325-00-180-5731


Demand History | NSN 5325-00-180-5731

Part Number Request Date QTY Origin
1181 2023-05-125 1 United States
1181 2022-09-264 1 United States
1181 2022-03-76 1 United States
B1181 2020-10-286 11 US
B1181 2013-11-308 5 US
1181 2013-06-172 3 United States

Cross Reference | NSN 5325-00-180-5731

Part Number Cage Code Manufacturer
A85-41 25472 BFGOODRICH CO THE

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Technical Data | NSN 5325-00-180-5731

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT CADMIUM
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A30 SPECIAL
GAP OPENING STYLE B1
INSIDE DIAMETER 2.59375 INCHES NOMINAL
OUTSIDE DIAMETER 3.09375 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE D21 ROUNDED OUTSIDE CORNERS
MAJOR THICKNESS 0.041 INCHES MINIMUM AND 0.045 INCHES MAXIMUM
USAGE DESIGN EXTERNAL OR INTERNAL
MANUFACTURERS CODE 25472
DESIGN CONTROL REFERENCE A85-41

Restrictions/Controls & Freight Information | NSN 5325-00-180-5731

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information