Product Details | RETAINING RING

5325-01-281-8720 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: MS166311281, MS16631-1281, N5002281MD, N5002-281-MD, 5325-01-281-8720, 01-281-8720, 5325012818720, 012818720

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 03 JUL 1988 01-281-8720

Drawings & Photos | NSN 5325-01-281-8720


Cross Reference | NSN 5325-01-281-8720

Part Number Cage Code Manufacturer
MS16631-1281 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
N5002-281-MD 07382 ROTOR CLIP COMPANY INC. DBA ROTOR CLAMP
N5002-281-MD 79136 TRUARC COMPANY LLC DBA WALDES TRUARC

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Technical Data | NSN 5325-01-281-8720

Characteristic Specifications
MATERIAL STEEL, FED STD 66, COMP 1066 OR STEEL, FED STD 66, COMP 1090
SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 3
STRENGTH RATING 205000.0 POUNDS PER SQUARE INCH MINIMUM YIELD
MATERIAL HARDNESS RATING 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A37 INTERNAL
OUTSIDE DIAMETER 3.091 INCHES MINIMUM AND 3.161 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D14 BEVELED ONE OUTSIDE CORNER
MINOR THICKNESS 0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM
MAJOR THICKNESS 0.092 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
USAGE DESIGN INTERNAL
SPECIFICATION/STANDARD DATA 96906-MS16631 GOVERNMENT STANDARD
III SUPPLEMENTARY FEATURES SUBSTITUTE FOR NSN 5365-00-285-6960 UNPLATED FINISH
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16631-1281

Restrictions/Controls & Freight Information | NSN 5325-01-281-8720

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