PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N900P18CRing,retaining

Zf Industrieantriebe Witten Gmbh · NSN 5325-00-432-3584 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-432-3584 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-432-3584. Primary manufacturer part number: N900P18C.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
  • Material Hardness Rating: 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material: COPPER ALLOY 170 OR COPPER ALLOY 172
  • Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
  • Usage Design: EXTERNAL
  • Ring Style: EXTERNAL
Applications
  • Applications requiring Copper Alloy 170 or Copper Alloy 172 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-432-3584, 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 21 commercial cross-references from 12 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
NSN5325-00-432-3584
Primary Part NumberN900P18C
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Major Thickness0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
Material Hardness Rating77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
Surface TreatmentCADMIUM AND CHROMATE
MaterialCOPPER ALLOY 170 OR COPPER ALLOY 172
Material Document and ClassificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
Usage DesignEXTERNAL
Ring StyleEXTERNAL
Cross-Sectional Shape StyleRECTANGULAR
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter0.164 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5325-00-027-2434 INTERCHANGEABLE
Ring,retaining
5325-00-721-8187 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
N900P18C Zf Industrieantriebe Witten Gmbh (DEU)
5325004323584 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
716-039-002 Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA)
16624-1018 Zf Industrieantriebe Witten Gmbh (DEU)
5325PL0162516 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R271NAA0018NN643NNPF1 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
7117714P002 Zf Industrieantriebe Witten Gmbh (DEU)
5100-18CZI Truarc Company Llc Dba Waldes Truarc (USA)
5100-18CMF Zf Industrieantriebe Witten Gmbh (DEU)
5325PL1368920 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NAS51-18 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
G650112-8 Lucent Technologies Inc Corporate Headquarters (USA)
MS16624-1018 Zf Industrieantriebe Witten Gmbh (DEU)
R271NAA0018NN643NNPF1 The American Society of Mechanical Engineers (USA)
G650112-8 Truarc Company Llc Dba Waldes Truarc (USA)
10352901 Nimikkeistokeskus Ncb Finland (FIN)
MS16624-5018-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5100-18H Truarc Company Llc Dba Waldes Truarc (USA)
5365004323584 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5325-00-027-2434INTERCHANGEABLE
RING,RETAINING
5325-00-721-8187INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-432-3584?

NSN 5325-00-432-3584 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 5325-00-432-3584?

NSN 5325-00-432-3584 has 21 cross-referenced part numbers: N900P18C (Zf Industrieantriebe Witten Gmbh), 5325004323584 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 716-039-002 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division), 16624-1018 (Zf Industrieantriebe Witten Gmbh), 5325PL0162516 (Jednolity Indeks Materialowy - Uniform Material Index) and 16 more.

What NSN replaces 5325-00-432-3584?

There are 2 known substitutes for 5325-00-432-3584: 5325-00-027-2434, 5325-00-721-8187. Verify interchangeability with system specifications before substitution.

What are the specifications of N900P18C?

Key specifications for N900P18C: Major Thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN; Material Hardness Rating: 77.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 82.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Surface Treatment: CADMIUM AND CHROMATE; Material: COPPER ALLOY 170 OR COPPER ALLOY 172. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-432-3584 still in active supply?

NSN 5325-00-432-3584 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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