PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0183-9Ring,retaining

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5325-00-526-2674 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-526-2674 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-526-2674. Primary manufacturer part number: 0183-9.
Features
  • Ring,retaining — FSC 5325
  • Major Thickness: 0.025 INCHES NOMINAL IN
  • Material: STEEL
  • Material Document and Classification: SAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: CHROMATE AND ZINC
  • Cross-Sectional Shape Style: ROUNDED OUTSIDE CORNERS
  • Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-526-2674, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-526-2674
Primary Part Number0183-9
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Major Thickness0.025 INCHES NOMINAL IN
MaterialSTEEL
Material Document and ClassificationSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentCHROMATE AND ZINC
Cross-Sectional Shape StyleROUNDED OUTSIDE CORNERS
Material Hardness Rating47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
Casehardening IndicatorNOT CASEHARDENED
Ring StyleEXTERNAL
Inside Diameter0.225 INCHES NOMINAL IN
Usage DesignEXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5945-00-351-6220310025 INTERCHANGEABLE
Relay,electromagnetic
Astronics Test Systems Inc
2805-00-679-806701839 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
5325-00-720-8064 INTERCHANGEABLE
Ring,retaining
6515-01-086-1859105-5005 INTERCHANGEABLE
Electrode,electromedical Apparat
Conmed Corp Dba Conmed Linvatec Div Conmed Corporation
5961-01-130-9209 INTERCHANGEABLE
Transistor
3110-01-360-0918 INTERCHANGEABLE
Bearing,ball,annular
4220-01-442-3041310-025 INTERCHANGEABLE
Spider,driver Mask
Kirby Morgan Dive Systems Inc
5305-01-689-3940 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
0183-9 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
480663PC15 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3100-25 Truarc Co Llc (USA)
479405PC8 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS16624-2025 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
480775PC2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
0183-9REVL Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
480775PC157 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
636242PC7 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5100-25ZD Rotor Clip Company, Inc. (USA)
42R2051 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
715634PC56 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
591139PC9 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5100-25ZD Truarc Company Llc Dba Waldes Truarc (USA)
Related Parts
5945-00-351-6220INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
310025
2805-00-679-8067INTERCHANGEABLE
GUIDE,VALVE STEM
01839
5325-00-720-8064INTERCHANGEABLE
RING,RETAINING
6515-01-086-1859INTERCHANGEABLE
ELECTRODE,ELECTROMEDICAL APPARAT
105-5005
5961-01-130-9209INTERCHANGEABLE
TRANSISTOR
3110-01-360-0918INTERCHANGEABLE
BEARING,BALL,ANNULAR
4220-01-442-3041INTERCHANGEABLE
SPIDER,DRIVER MASK
310-025
5305-01-689-3940INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5325-00-526-2674?

NSN 5325-00-526-2674 is a Ring,retaining, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-526-2674?

NSN 5325-00-526-2674 has 15 cross-referenced part numbers: 0183-9 (Lockheed Martin Corporation Div Rms - Mitchel Field), 480663PC15 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3100-25 (Truarc Co Llc), 479405PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS16624-2025 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.

What NSN replaces 5325-00-526-2674?

There are 8 known substitutes for 5325-00-526-2674: 5945-00-351-6220, 2805-00-679-8067, 5325-00-720-8064 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0183-9?

Key specifications for 0183-9: Major Thickness: 0.025 INCHES NOMINAL IN; Material: STEEL; Material Document and Classification: SAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment: CHROMATE AND ZINC. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-526-2674 still in active supply?

NSN 5325-00-526-2674 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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