PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

189578Ring,retaining

Woodward, Inc. · NSN 5325-00-798-4730 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-798-4730 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-798-4730. Primary manufacturer part number: 189578.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL COMP 1065
  • Material Document and Classification: QQ-S-633A, FS1065 FED SPEC SINGLE MATERIAL RESPONSE A
  • Surface Treatment: CADMIUM
  • Major Thickness: 0.035 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Usage Design: INTERNAL
  • Outside Diameter: 0.615 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1065 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-798-4730, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward, Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5325-00-798-4730
Primary Part Number189578
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerWoodward, Inc.
StatusCANCELLED
MaterialSTEEL COMP 1065
Material Document and ClassificationQQ-S-633A, FS1065 FED SPEC SINGLE MATERIAL RESPONSE A
Surface TreatmentCADMIUM
Major Thickness0.035 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Usage DesignINTERNAL
Outside Diameter0.615 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
Material Hardness Rating48.9 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape StyleROUNDED OUTSIDE CORNERS
Ring StyleINTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5360-00-460-21941H9578 INTERCHANGEABLE
Spring,helical,compression
Caterpillar Inc Div Caterpillar Defense
5325-00-808-3957 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
189578 Woodward, Inc. (USA)
N5000-56MF Rotor Clip Company, Inc. (USA)
AYRF57-0-0-04 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
189578 Woodward, Inc. Div Fuel Systems and Controls (USA)
N5000-56MF Truarc Company Llc Dba Waldes Truarc (USA)
Related Parts
5360-00-460-2194INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1H9578
5325-00-808-3957INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-798-4730?

NSN 5325-00-798-4730 is a Ring,retaining, manufactured by Woodward, Inc., classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-798-4730?

NSN 5325-00-798-4730 has 5 cross-referenced part numbers: 189578 (Woodward, Inc.), N5000-56MF (Rotor Clip Company, Inc.), AYRF57-0-0-04 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 189578 (Woodward, Inc. Div Fuel Systems and Controls), N5000-56MF (Truarc Company Llc Dba Waldes Truarc).

What NSN replaces 5325-00-798-4730?

There are 2 known substitutes for 5325-00-798-4730: 5360-00-460-2194, 5325-00-808-3957. Verify interchangeability with system specifications before substitution.

What are the specifications of 189578?

Key specifications for 189578: Material: STEEL COMP 1065; Material Document and Classification: QQ-S-633A, FS1065 FED SPEC SINGLE MATERIAL RESPONSE A; Surface Treatment: CADMIUM; Major Thickness: 0.035 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-798-4730 still in active supply?

NSN 5325-00-798-4730 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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