PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5100-425MDRing,retaining

Truarc Company Llc Dba Waldes Truarc · NSN 5325-00-205-5118 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-205-5118 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-205-5118. Primary manufacturer part number: 5100-425MD.
Features
  • Ring,retaining — FSC 5325
  • Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Ring Style: EXTERNAL
  • Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
  • Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: CADMIUM AND CHROMATE
  • Usage Design: EXTERNAL
  • Casehardening Indicator: CASEHARDENED
Applications
  • Applications requiring Steel Comp 1066 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1084 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-205-5118, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Truarc Company Llc Dba Waldes Truarc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-205-5118
Primary Part Number5100-425MD
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTruarc Company Llc Dba Waldes Truarc
StatusCANCELLED
Material Hardness Rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Ring StyleEXTERNAL
MaterialSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
Material Document and ClassificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
Surface TreatmentCADMIUM AND CHROMATE
Usage DesignEXTERNAL
Casehardening IndicatorCASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Inside Diameter3.959 INCHES MINIMUM AND 4.009 INCHES MAXIMUM IN
Major Thickness0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5325-00-720-922177149362 INTERCHANGEABLE
Ring,retaining
Goodrich Limited Div Goodrich Ltd
5325-00-804-9739 INTERCHANGEABLE
Ring,retaining
5325-00-808-0644 INTERCHANGEABLE
Ring,retaining
5325-01-140-7214 INTERCHANGEABLE
Ring,retaining
5305-01-463-0925S210NA38CAL14354BNCF INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5305-01-463-1019S630NA84CAG14354BNCF INTERCHANGEABLE
Screw,machine
American National Standards Institute Incorporated Dba American National Standards Institute
5305-01-463-1020AEM01C312625AW9A91 INTERCHANGEABLE
Screw,assembled Washer
The American Society of Mechanical Engineers
5325-01-485-8881RST-425 INTERCHANGEABLE
Ring,retaining
Spirolox Inc
5305-01-491-5047 INTERCHANGEABLE
Screw,machine
5305-01-494-2375 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
5100-425MD Truarc Company Llc Dba Waldes Truarc (USA)
3100-425-ST-CD Truarc Co Llc (USA)
5100-425MD Rotor Clip Company, Inc. (USA)
RST425 Zf Industrieantriebe Witten Gmbh (DEU)
K8691163P3 General Electric Company (USA)
ASME B18.24.1 The American Society of Mechanical Engineers (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
K8691163P3 General Electric Co Electronic Components Division of Electronic Atomic and Defense Systems Group
5100-3-S-MD Truarc Company Llc Dba Waldes Truarc (USA)
R271NAA0425NN056NNPF1 The American Society of Mechanical Engineers (USA)
MS16624-1425 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5100-3-S-MD Rotor Clip Company, Inc. (USA)
Related Parts
5325-00-720-9221INTERCHANGEABLE
RING,RETAINING
77149362
5325-00-804-9739INTERCHANGEABLE
RING,RETAINING
5325-00-808-0644INTERCHANGEABLE
RING,RETAINING
5325-01-140-7214INTERCHANGEABLE
RING,RETAINING
5305-01-463-0925INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S210NA38CAL14354BNCF
5305-01-463-1019INTERCHANGEABLE
SCREW,MACHINE
S630NA84CAG14354BNCF
5305-01-463-1020INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
AEM01C312625AW9A91
5325-01-485-8881INTERCHANGEABLE
RING,RETAINING
RST-425
5305-01-491-5047INTERCHANGEABLE
SCREW,MACHINE
5305-01-494-2375INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-500-8406INTERCHANGEABLE
SETSCREW
S300NB17CAD19354BNCG1
5305-01-554-8611INTERCHANGEABLE
SETSCREW
AES32F250250EJ1AB1

Frequently Asked Questions

What is NSN 5325-00-205-5118?

NSN 5325-00-205-5118 is a Ring,retaining, manufactured by Truarc Company Llc Dba Waldes Truarc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-205-5118?

NSN 5325-00-205-5118 has 12 cross-referenced part numbers: 5100-425MD (Truarc Company Llc Dba Waldes Truarc), 3100-425-ST-CD (Truarc Co Llc), 5100-425MD (Rotor Clip Company, Inc.), RST425 (Zf Industrieantriebe Witten Gmbh), K8691163P3 (General Electric Company) and 7 more.

What NSN replaces 5325-00-205-5118?

There are 12 known substitutes for 5325-00-205-5118: 5325-00-720-9221, 5325-00-804-9739, 5325-00-808-0644 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5100-425MD?

Key specifications for 5100-425MD: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Ring Style: EXTERNAL; Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090; Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-205-5118 still in active supply?

NSN 5325-00-205-5118 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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