PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19389Ring,retaining

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5325-00-598-1743 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-598-1743 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-598-1743. Primary manufacturer part number: 19389.
Features
  • Ring,retaining — FSC 5325
  • Material Diameter: 0.048 INCHES NOMINAL IN
  • Material Document and Classification: AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1090
  • End Style: VERTEX CENTER OR ABOVE
  • Casehardening Indicator: NOT CASEHARDENED
  • Usage Design: EXTERNAL
  • Inside Diameter: 0.542 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-598-1743, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-598-1743
Primary Part Number19389
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Material Diameter0.048 INCHES NOMINAL IN
Material Document and ClassificationAMS 5112 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1090
End StyleVERTEX CENTER OR ABOVE
Casehardening IndicatorNOT CASEHARDENED
Usage DesignEXTERNAL
Inside Diameter0.542 INCHES NOMINAL IN
Outside Diameter0.633 INCHES MINIMUM AND 0.643 INCHES MAXIMUM IN
Cross-Sectional Shape StyleROUND
Ring StyleSTRAIGHT GAP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2920-00-275-6807 INTERCHANGEABLE
Cable Assembly
8120-01-147-11461938-9 INTERCHANGEABLE
Valve,cylinder,gas
Avaho Acquisition Corp Dba Impac
5940-01-326-104419389 INTERCHANGEABLE
Terminal Board
Rantec Power Systems Inc. Dba Rantec Power Systems
5360-01-379-0912A-19389 INTERCHANGEABLE
Spring,helical,extension
L3 Technologies, Inc.
6910-01-590-55291125-29-1 INTERCHANGEABLE
Bone,intraosseous Infusion Syste
Teleflex Llc
Cross-Reference Index
Part NumberManufacturer
A19389 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
19389 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
19389 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
A19389 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
2920-00-275-6807INTERCHANGEABLE
CABLE ASSEMBLY
8120-01-147-1146INTERCHANGEABLE
VALVE,CYLINDER,GAS
1938-9
5940-01-326-1044INTERCHANGEABLE
TERMINAL BOARD
19389
5360-01-379-0912INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
A-19389
6910-01-590-5529INTERCHANGEABLE
BONE,INTRAOSSEOUS INFUSION SYSTE
1125-29-1

Frequently Asked Questions

What is NSN 5325-00-598-1743?

NSN 5325-00-598-1743 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-598-1743?

NSN 5325-00-598-1743 has 4 cross-referenced part numbers: A19389 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 19389 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 19389 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), A19389 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5325-00-598-1743?

There are 5 known substitutes for 5325-00-598-1743: 2920-00-275-6807, 8120-01-147-1146, 5940-01-326-1044 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19389?

Key specifications for 19389: Material Diameter: 0.048 INCHES NOMINAL IN; Material Document and Classification: AMS 5112 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1090; End Style: VERTEX CENTER OR ABOVE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-598-1743 still in active supply?

NSN 5325-00-598-1743 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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