PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N5002-387MDRing,retaining

Truarc Company Llc Dba Waldes Truarc · NSN 5325-00-186-9452 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-186-9452 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-186-9452. Primary manufacturer part number: N5002-387MD.
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: BEVELED ONE OUTSIDE CORNER
  • Major Thickness: 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
  • Material: STEEL
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material Document and Classification: FED STD 66,SAE 1060 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
  • Ring Style: INTERNAL
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-186-9452, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-186-9452
Primary Part NumberN5002-387MD
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTruarc Company Llc Dba Waldes Truarc
StatusCANCELLED
Cross-Sectional Shape StyleBEVELED ONE OUTSIDE CORNER
Major Thickness0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
MaterialSTEEL
Surface TreatmentCADMIUM AND CHROMATE
Material Document and ClassificationFED STD 66,SAE 1060 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
Ring StyleINTERNAL
Casehardening IndicatorNOT CASEHARDENED
Material Hardness Rating48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
Usage DesignINTERNAL
Outside Diameter4.226 INCHES MINIMUM AND 4.356 INCHES MAXIMUM IN
Minor Thickness0.0795 INCHES MINIMUM AND 0.0845 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-366-00034032541-0707 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Dba Raytheon Co
5950-01-100-6784SM-D-447526 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
N5002-387MD Truarc Company Llc Dba Waldes Truarc (USA)
MS16631-2387 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
663550 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
NH-7274 PIECE 418 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
418NF6095 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
MS16631-1387 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NH-7274 PIECE 418 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
MS16631-387 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NB-3179 PC 418 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
418NF6095 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
N5002-387MD Rotor Clip Company, Inc. (USA)
NH-6234 PC 418 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
N5002-387 Truarc Company Llc Dba Waldes Truarc (USA)
5002-387 Zf Industrieantriebe Witten Gmbh (DEU)
3002-387 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
Related Parts
5950-00-366-0003INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4032541-0707
5950-01-100-6784INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-D-447526

Frequently Asked Questions

What is NSN 5325-00-186-9452?

NSN 5325-00-186-9452 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 5325-00-186-9452?

NSN 5325-00-186-9452 has 15 cross-referenced part numbers: N5002-387MD (Truarc Company Llc Dba Waldes Truarc), MS16631-2387 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 663550 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), NH-7274 PIECE 418 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 418NF6095 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture) and 10 more.

What NSN replaces 5325-00-186-9452?

There are 2 known substitutes for 5325-00-186-9452: 5950-00-366-0003, 5950-01-100-6784. Verify interchangeability with system specifications before substitution.

What are the specifications of N5002-387MD?

Key specifications for N5002-387MD: Cross-Sectional Shape Style: BEVELED ONE OUTSIDE CORNER; Major Thickness: 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Material: STEEL; Surface Treatment: CADMIUM AND CHROMATE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-186-9452 still in active supply?

NSN 5325-00-186-9452 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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