Product Details | RETAINING RING

5325-01-042-9841 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: RST156C, 9M187156, 9M187-156, 5325-01-042-9841, 01-042-9841, 5325010429841, 010429841

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 17 JUN 1977 01-042-9841

Drawings & Photos | NSN 5325-01-042-9841


Cross Reference | NSN 5325-01-042-9841

Part Number Cage Code Manufacturer
9M187-156 76301 BOEING COMPANY, THE DBA BOEING
RST156C 80756 SPIROLOX, INC.

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Technical Data | NSN 5325-01-042-9841

Characteristic Specifications
MATERIAL STEEL,SAE 1070 THRU 1090
SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 2
STRENGTH RATING 221000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
MATERIAL HARDNESS RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A56 SPIRAL
INSIDE DIAMETER 1.456 INCHES MINIMUM AND 1.476 INCHES MAXIMUM
OUTSIDE DIAMETER 1.692 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.064 INCHES NOMINAL
USAGE DESIGN EXTERNAL

Restrictions/Controls & Freight Information | NSN 5325-01-042-9841

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