PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146603Ring,retaining

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5325-00-598-2145 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-598-2145 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-598-2145. Primary manufacturer part number: 146603.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Material: STEEL CORROSION RESISTING
  • Major Thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Ring Style: INTERNAL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Outside Diameter: 1.542 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-598-2145, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-598-2145
Primary Part Number146603
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Material Hardness Rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
MaterialSTEEL CORROSION RESISTING
Major Thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Ring StyleINTERNAL
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter1.542 INCHES MINIMUM AND 1.567 INCHES MAXIMUM IN
Usage DesignINTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-103-64131466-03 INTERCHANGEABLE
Coil,radio Frequency
Drs Signal Solutions, Inc.
4935-01-103-7339146603 INTERCHANGEABLE
Test Station,guided Missile
Lockheed Martin Corp Electronics and Missiles Div
Cross-Reference Index
Part NumberManufacturer
146603 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5950-00-103-6413INTERCHANGEABLE
COIL,RADIO FREQUENCY
1466-03
4935-01-103-7339INTERCHANGEABLE
TEST STATION,GUIDED MISSILE
146603

Frequently Asked Questions

What is NSN 5325-00-598-2145?

NSN 5325-00-598-2145 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-598-2145?

NSN 5325-00-598-2145 has 1 cross-referenced part number: 146603 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5325-00-598-2145?

There are 2 known substitutes for 5325-00-598-2145: 5950-00-103-6413, 4935-01-103-7339. Verify interchangeability with system specifications before substitution.

What are the specifications of 146603?

Key specifications for 146603: Casehardening Indicator: NOT CASEHARDENED; Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Material: STEEL CORROSION RESISTING; Major Thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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