Product Details | RETAINING RING

5325-00-252-7778 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: C17274 PIECE1-7, C17274PIECE17, RR193, RR193P, 3S7507KL100A1 , 6260019147, 626-001-9147, 6726656193, 6726656-193, 5325-00-252-7778, 00-252-7778, 5325002527778, 002527778

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-252-7778

Drawings & Photos | NSN 5325-00-252-7778


Cross Reference | NSN 5325-00-252-7778

Part Number Cage Code Manufacturer
626-001-9147 70210 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
6726656-193 24617 GENERAL MOTORS CORP
6726656-193 63005 ROLLS-ROYCE CORPORATION
6726656-193 73342 ALLISON TRANSMISSION, INC.
C17274 PIECE1-7 53698 SOMERSET ENGINEERING DIV MIDLAND-ROSS CORP
RR193 80756 SPIROLOX, INC.
RR193P 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-00-252-7778

Characteristic Specifications
MATERIAL STEEL,SAE 1080 TO 1090
STRENGTH RATING 235000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING 65.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 68.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A55 SPECIAL FLAT
INSIDE DIAMETER 1.789 INCHES MINIMUM AND 1.804 INCHES MAXIMUM
OUTSIDE DIAMETER 2.025 INCHES MINIMUM AND 2.040 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.046 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
USAGE DESIGN INTERNAL
MANUFACTURERS CODE 80756
DESIGN CONTROL REFERENCE RR193

Restrictions/Controls & Freight Information | NSN 5325-00-252-7778

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information