PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2189-1Ring,retaining

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5325-00-804-9739 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-804-9739 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-804-9739. Primary manufacturer part number: S2189-1.
Features
  • Ring,retaining — FSC 5325
  • Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 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 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: CADMIUM AND CHROMATE
  • Ring Style: INTERNAL
  • Major Thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
  • Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Applications requiring Steel Comp 1066 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1072 or Steel Comp 1074 or Steel Comp 1075 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 5325-00-804-9739, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 17 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
NSN5325-00-804-9739
Primary Part NumberS2189-1
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusCANCELLED
MaterialSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 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 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
Surface TreatmentCADMIUM AND CHROMATE
Ring StyleINTERNAL
Major Thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Material Hardness Rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter0.961 INCHES MINIMUM AND 0.986 INCHES MAXIMUM IN
Usage DesignINTERNAL
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-189-4947S21891 INTERCHANGEABLE
Transformer,power
Electronic Transformer Corp Div Electronic Transformer Corporation
5325-00-205-5118 INTERCHANGEABLE
Ring,retaining
5325-00-298-65724254663 INTERCHANGEABLE
Ring,retaining
Agco Corp Parts Opn
5325-00-720-922177149362 INTERCHANGEABLE
Ring,retaining
Goodrich Limited Div Goodrich Ltd
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
5305-01-491-5047 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
S2189-1 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
3000X87 Zf Industrieantriebe Witten Gmbh (DEU)
5480-0876 Raytheon Company Dba Raytheon (USA)
480355-713 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
N5000-87MF Rotor Clip Company, Inc. (USA)
NAS669-87 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS16625-1087 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5325PL0940537 Jednolity Indeks Materialowy - Uniform Material Index (POL)
362-1007P15 Raytheon Co Equipment Development Lab (USA)
R271NAB0087NN056NNPF1 The American Society of Mechanical Engineers (USA)
480355-713 L3 Technologies, Inc. Div Communication Systems-East (USA)
362-1007P15 Zf Industrieantriebe Witten Gmbh (DEU)
MILR21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
3000-X29-ST-CD Truarc Co Llc (USA)
N5000-87MF Truarc Company Llc Dba Waldes Truarc (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
N1300-87CD Seeger Inc Anderton-United Products Div (USA)
NAS50-87 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
N5000-87SZD Zf Industrieantriebe Witten Gmbh (DEU)
480355-713 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
Related Parts
5950-00-189-4947INTERCHANGEABLE
TRANSFORMER,POWER
S21891
5325-00-205-5118INTERCHANGEABLE
RING,RETAINING
5325-00-298-6572INTERCHANGEABLE
RING,RETAINING
4254663
5325-00-720-9221INTERCHANGEABLE
RING,RETAINING
77149362
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
5305-01-491-5047INTERCHANGEABLE
SCREW,MACHINE
5305-01-494-2375INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5305-01-500-8406INTERCHANGEABLE
SETSCREW
S300NB17CAD19354BNCG1

Frequently Asked Questions

What is NSN 5325-00-804-9739?

NSN 5325-00-804-9739 is a Ring,retaining, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-804-9739?

NSN 5325-00-804-9739 has 22 cross-referenced part numbers: S2189-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 3000X87 (Zf Industrieantriebe Witten Gmbh), 5480-0876 (Raytheon Company Dba Raytheon), 480355-713 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), N5000-87MF (Rotor Clip Company, Inc.) and 17 more.

What NSN replaces 5325-00-804-9739?

There are 12 known substitutes for 5325-00-804-9739: 5950-00-189-4947, 5325-00-205-5118, 5325-00-298-6572 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S2189-1?

Key specifications for S2189-1: Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 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 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE; Surface Treatment: CADMIUM AND CHROMATE; Ring Style: INTERNAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-804-9739 still in active supply?

NSN 5325-00-804-9739 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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