Product Details | RETAINING RING

5325-00-256-2840 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: 002562840

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-256-2840

Demand History | NSN 5325-00-256-2840

Part Number Request Date QTY Origin
NAS5175 2011-09-270 250 US

Cross Reference | NSN 5325-00-256-2840

Part Number Cage Code Manufacturer
NAS51-75 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5325-00-256-2840

Characteristic Specifications
RING STYLE EXTERNAL
CASEHARDENING INDICATOR NOT CASEHARDENED
MAJOR THICKNESS 0.042 INCHES NOMINAL
SURFACE TREATMENT CADMIUM PLATED
STRENGTH RATING 238000.000 POUNDS PER SQUARE INCH MINIMUM TENSILE
INSIDE DIAMETER 0.693 INCHES NOMINAL
USAGE DESIGN EXTERNAL
MATERIAL STEEL,QQ-S633,COMPOSITION 1065 OR 1070 OR 1074 OR 1080 OR 1085 OR 1090
CROSS-SECTIONAL SHAPE STYLE ROUNDED CORNERS

Restrictions/Controls & Freight Information | NSN 5325-00-256-2840

Category Code Description
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.
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