PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

189578Ring,retaining

Zf Industrieantriebe Witten Gmbh · NSN 5325-00-808-3957 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-808-3957 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-808-3957. Primary manufacturer part number: 189578.
Features
  • Ring,retaining — FSC 5325
  • Cross-Sectional Shape Style: RECTANGULAR
  • Ring Style: INTERNAL
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material: STEEL
  • Material Document and Classification: FED-STD 66,NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
  • Outside Diameter: 0.620 INCHES NOMINAL IN
  • Material Hardness Rating: 67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 72.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-808-3957, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 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
NSN5325-00-808-3957
Primary Part Number189578
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleINTERNAL
Surface TreatmentCADMIUM AND CHROMATE
MaterialSTEEL
Material Document and ClassificationFED-STD 66,NO. 1066 THRU 1090 FED STD SINGLE MATERIAL RESPONSE
Outside Diameter0.620 INCHES NOMINAL IN
Material Hardness Rating67.5 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 72.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Major Thickness0.035 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Usage DesignINTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6115-00-237-7903A102 INTERCHANGEABLE
Generator,alternating Current
Kurz & Root Generator Company, Llc
5935-00-331-9666 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5330-00-447-26963660091 INTERCHANGEABLE
Seal,plain Encased
General Motors Llc Dba General Motors Llc
5360-00-460-21941H9578 INTERCHANGEABLE
Spring,helical,compression
Caterpillar Inc Div Caterpillar Defense
5340-00-473-595001010 INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
5935-00-497-914327E126 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Te Connectivity Corporation
5910-00-507-7948A102 INTERCHANGEABLE
Capacitor Assembly
Ge Aviation Systems Llc
5970-00-636-3623 INTERCHANGEABLE
Insulator,feedthru
5325-00-798-4730 INTERCHANGEABLE
Ring,retaining
4320-00-922-197622921 INTERCHANGEABLE
Housing,liquid Pump
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
189578 Zf Industrieantriebe Witten Gmbh (DEU)
N1300-56CD Seeger Inc Anderton-United Products Div (USA)
3000-X56-ST-CD Truarc Co Llc (USA)
A102 Gardner Denver Inc. (USA)
106642 Zf Industrieantriebe Witten Gmbh (DEU)
MS16625-1056 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5325008083957 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5365008083957 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
NAS669-56 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AYRF57 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
5000-56MF Truarc Company Llc Dba Waldes Truarc (USA)
Related Parts
6115-00-237-7903INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
A102
5935-00-331-9666INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5330-00-447-2696INTERCHANGEABLE
SEAL,PLAIN ENCASED
3660091
5360-00-460-2194INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1H9578
5340-00-473-5950INTERCHANGEABLE
KEY BLANK
01010
5935-00-497-9143INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
27E126
5910-00-507-7948INTERCHANGEABLE
CAPACITOR ASSEMBLY
A102
5970-00-636-3623INTERCHANGEABLE
INSULATOR,FEEDTHRU
5325-00-798-4730INTERCHANGEABLE
RING,RETAINING
4320-00-922-1976INTERCHANGEABLE
HOUSING,LIQUID PUMP
22921
9160-00-937-6138INTERCHANGEABLE
INDICATING FLUID,INSTRUMENT
A102
3455-00-971-8908INTERCHANGEABLE
CUTTER,MILLING,END
17614

Frequently Asked Questions

What is NSN 5325-00-808-3957?

NSN 5325-00-808-3957 is a Ring,retaining, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-808-3957?

NSN 5325-00-808-3957 has 12 cross-referenced part numbers: 189578 (Zf Industrieantriebe Witten Gmbh), N1300-56CD (Seeger Inc Anderton-United Products Div), 3000-X56-ST-CD (Truarc Co Llc), A102 (Gardner Denver Inc.), 106642 (Zf Industrieantriebe Witten Gmbh) and 7 more.

What NSN replaces 5325-00-808-3957?

There are 12 known substitutes for 5325-00-808-3957: 6115-00-237-7903, 5935-00-331-9666, 5330-00-447-2696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 189578?

Key specifications for 189578: Cross-Sectional Shape Style: RECTANGULAR; Ring Style: INTERNAL; Surface Treatment: CADMIUM AND CHROMATE; Material: STEEL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-808-3957 still in active supply?

NSN 5325-00-808-3957 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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