PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RRN225Ring,retaining

Spir-O-Lok Inc · NSN 5325-00-804-7695 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-804-7695 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-804-7695. Primary manufacturer part number: RRN225.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.078 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 2.490 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL
  • Material Document and Classification: FED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-804-7695, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spir-O-Lok Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-804-7695
Primary Part NumberRRN225
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSpir-O-Lok Inc
StatusACTIVE
Major Thickness0.078 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Outside Diameter2.490 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL
Material Document and ClassificationFED STD NO. 66 AISI C1066 THRU C1090 FED STD SINGLE MATERIAL RESPONSE OR SAE 1070 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
Usage DesignINTERNAL
Ring StyleINTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5325-00-021-6589RRN225 INTERCHANGEABLE
Ring,retaining
Spirolox Inc
5325-00-252-4763 INTERCHANGEABLE
Ring,retaining
5340-00-304-7393185502 INTERCHANGEABLE
Clamp,loop
Agco Corp Parts Opn
5815-00-309-3829126911 INTERCHANGEABLE
Stud,eccentric
Telemechanics Inc
5930-00-335-1398 INTERCHANGEABLE
Contact Assembly
3110-00-911-1530203936 INTERCHANGEABLE
Bearing,roller,cylindrical
Timken Gears & Services Inc. Dba Philadelphia Gear Div Western Regional Service Center
5305-01-101-5741391 1401 025 INTERCHANGEABLE
Screw,cap,hexagon Head
Parker Hannifin Corporation Div Cylinder Division
5310-01-476-8055X-22-5 INTERCHANGEABLE
Washer,lock
Kohler Co.
Cross-Reference Index
Part NumberManufacturer
RRN225 Spir-O-Lok Inc (USA)
X225 Truarc Co Llc (USA)
N1300-225 Seeger Inc Anderton-United Products Div (USA)
302339 Outboard Marine Corp Johnson Motors Div (USA)
1-N-225 Eaton Corp Engineered Fasteners Div (USA)
N5000-225 Rotor Clip Company, Inc. (USA)
068663 Mitsubishi Caterpillar Forklift America, Inc (USA)
N5000-225 Truarc Company Llc Dba Waldes Truarc (USA)
MS16625-225 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
126911 Eaton Aerospace, Llc Dba Jackson South (USA)
302339 Brp Us Inc (USA)
SK14991A Steego Corp (USA)
Related Parts
5325-00-021-6589INTERCHANGEABLE
RING,RETAINING
RRN225
5325-00-252-4763INTERCHANGEABLE
RING,RETAINING
5340-00-304-7393INTERCHANGEABLE
CLAMP,LOOP
185502
5815-00-309-3829INTERCHANGEABLE
STUD,ECCENTRIC
126911
5930-00-335-1398INTERCHANGEABLE
CONTACT ASSEMBLY
3110-00-911-1530INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
203936
5305-01-101-5741INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
391 1401 025
5310-01-476-8055INTERCHANGEABLE
WASHER,LOCK
X-22-5

Frequently Asked Questions

What is NSN 5325-00-804-7695?

NSN 5325-00-804-7695 is a Ring,retaining, manufactured by Spir-O-Lok Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-804-7695?

NSN 5325-00-804-7695 has 12 cross-referenced part numbers: RRN225 (Spir-O-Lok Inc), X225 (Truarc Co Llc), N1300-225 (Seeger Inc Anderton-United Products Div), 302339 (Outboard Marine Corp Johnson Motors Div), 1-N-225 (Eaton Corp Engineered Fasteners Div) and 7 more.

What NSN replaces 5325-00-804-7695?

There are 8 known substitutes for 5325-00-804-7695: 5325-00-021-6589, 5325-00-252-4763, 5340-00-304-7393 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RRN225?

Key specifications for RRN225: Major Thickness: 0.078 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED; Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Outside Diameter: 2.490 INCHES NOMINAL IN. 9 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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