Product Details | RETAINING RING

5325-01-343-4330 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: M2742620110D, MILDTL27426, MIL-DTL-27426, RSN81SP, RSN-81SP, WSM81S02PA, WSM-81S02PA, 5325-01-343-4330, 01-343-4330, 5325013434330, 013434330

Hardware and Abrasives | Fastening Devices

Supply Group (FSG) NSN Assign. NIIN
53 13 AUG 1991 01-343-4330

Drawings & Photos | NSN 5325-01-343-4330


Demand History | NSN 5325-01-343-4330

Part Number Request Date QTY Origin
MILDTL27426 2018-04-101 1035 KR
MILDTL27426 2013-09-259 2000 CA

Cross Reference | NSN 5325-01-343-4330

Part Number Cage Code Manufacturer
M2742620110D 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-DTL-27426 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
RSN-81SP 80756 SPIROLOX, INC.
WSM-81S02PA 51814 SMALLEY STEEL RING CO.

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Technical Data | NSN 5325-01-343-4330

Characteristic Specifications
MATERIAL STEEL, MIL-S-5059, TYPE 302
SURFACE TREATMENT PASSIVATED, QQ-P-35
STRENGTH RATING NOT RATED
MATERIAL HARDNESS RATING 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM
CASEHARDENING INDICATOR NOT CASEHARDENED
RING STYLE A56 SPIRAL
INSIDE DIAMETER 0.743 INCHES MINIMUM AND 0.756 INCHES MAXIMUM
OUTSIDE DIAMETER 0.873 INCHES MINIMUM AND 0.886 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLE D12 DOUBLE OVAL
MAJOR THICKNESS 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM
USAGE DESIGN EXTERNAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-DTL-27426
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE M2742620110D

Restrictions/Controls & Freight Information | NSN 5325-01-343-4330

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:AItem does not contain precious metal
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