PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-18Ring,retaining

Rotor Clip Company, Inc. · NSN 5325-01-618-0473 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-618-0473 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-618-0473. Primary manufacturer part number: E-18.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: E
  • Outside Diameter: 0.335 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: ROUND
  • Nondefinitive Spec/std Data: 0.025 THICKNESS AND 0.290 WEIGHT
  • 1 verified cross-reference
  • Primary manufacturer: Rotor Clip Company, Inc.
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-618-0473, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-618-0473
Primary Part NumberE-18
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRotor Clip Company, Inc.
StatusACTIVE
Ring StyleE
Outside Diameter0.335 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Nondefinitive Spec/std Data0.025 THICKNESS AND 0.290 WEIGHT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-8528 INTERCHANGEABLE
Bearing,ball,thrust
3456-00-640-301741385500 PC E18 INTERCHANGEABLE
CAGE Assembly,roller Tube Expand
Naval Ship Systems Command
5935-00-665-7171 INTERCHANGEABLE
Connector,receptacle,electrical
2040-00-735-4563805-1623055PC11 INTERCHANGEABLE
Rest,dog
Naval Ship Systems Command
8310-01-370-3307 INTERCHANGEABLE
Thread
Cross-Reference Index
Part NumberManufacturer
E-18 PRIMARY Rotor Clip Company, Inc. (USA)
Related Parts
3110-00-100-8528INTERCHANGEABLE
BEARING,BALL,THRUST
3456-00-640-3017INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
41385500 PC E18
5935-00-665-7171INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2040-00-735-4563INTERCHANGEABLE
REST,DOG
805-1623055PC11
8310-01-370-3307INTERCHANGEABLE
THREAD

Frequently Asked Questions

What is NSN 5325-01-618-0473?

NSN 5325-01-618-0473 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-618-0473?

NSN 5325-01-618-0473 has 1 cross-referenced part number: E-18 (Rotor Clip Company, Inc.).

What NSN replaces 5325-01-618-0473?

There are 5 known substitutes for 5325-01-618-0473: 3110-00-100-8528, 3456-00-640-3017, 5935-00-665-7171 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E-18?

Key specifications for E-18: Ring Style: E; Part Name Assigned by Controlling Agency: EXTERNAL E-RING;RADIAL RETAINING RING; Outside Diameter: 0.335 INCHES NOMINAL IN; Special Features: SHAFT;RADIAL;0.188 INCH DIAMETER;0.145 RING FREE DIAMETER;EFFECTIVE RENTENTION OF ASSEMBLIES IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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