PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

271624PC3Ring,retaining

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5325-00-598-1178 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-598-1178 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-598-1178. Primary manufacturer part number: 271624PC3.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 1.469 INCHES NOMINAL IN
  • Material: STEEL
  • Material Document and Classification: JAN-S-1160,GRADE 2,TYPE B,MATERIAL NO. 5,COMPOSITION NO. 1 MIL SPEC SINGLE MATERIAL RESPONSE
  • Usage Design: EXTERNAL
  • Casehardening Indicator: NOT CASEHARDENED
  • Major Thickness: 0.063 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Outside Diameter: 1.719 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-598-1178, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-598-1178
Primary Part Number271624PC3
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Inside Diameter1.469 INCHES NOMINAL IN
MaterialSTEEL
Material Document and ClassificationJAN-S-1160,GRADE 2,TYPE B,MATERIAL NO. 5,COMPOSITION NO. 1 MIL SPEC SINGLE MATERIAL RESPONSE
Usage DesignEXTERNAL
Casehardening IndicatorNOT CASEHARDENED
Major Thickness0.063 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Outside Diameter1.719 INCHES NOMINAL IN
End Style90 DEGREE PARALLEL
Material Hardness Rating46.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
Ring StyleSTRAIGHT GAP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-078-672740312 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Div Communication Systems-East
3040-00-099-006340312 INTERCHANGEABLE
Housing,mechanical Drive
L3harris Technologies, Inc Div Space & Airborne Systems
5120-00-287-415141-12MM INTERCHANGEABLE
Socket,socket Wrench
Wright Tool Co
5330-00-412-990040312 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
4730-00-618-7617 INTERCHANGEABLE
Adapter,straight,pipe to Tube
5133-01-107-3742 INTERCHANGEABLE
Drill,twist
6750-01-418-1916 INTERCHANGEABLE
Replenisher,developer Kit,photog
5998-01-464-40954031-2 INTERCHANGEABLE
Circuit Card Assembly
Trig-Tek, Incorporated
Cross-Reference Index
Part NumberManufacturer
40312 Eaton Aerospace, Llc Dba Jackson South (USA)
N45132PC3 Eaton Aerospace, Llc Dba Jackson South (USA)
B40312 Eaton Aerospace, Llc Dba Jackson South (USA)
271624PC3 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5961-00-078-6727INTERCHANGEABLE
TRANSISTOR
40312
3040-00-099-0063INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
40312
5120-00-287-4151INTERCHANGEABLE
SOCKET,SOCKET WRENCH
41-12MM
5330-00-412-9900INTERCHANGEABLE
GASKET
40312
4730-00-618-7617INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5133-01-107-3742INTERCHANGEABLE
DRILL,TWIST
6750-01-418-1916INTERCHANGEABLE
REPLENISHER,DEVELOPER KIT,PHOTOG
5998-01-464-4095INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4031-2

Frequently Asked Questions

What is NSN 5325-00-598-1178?

NSN 5325-00-598-1178 is a Ring,retaining, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-598-1178?

NSN 5325-00-598-1178 has 4 cross-referenced part numbers: 40312 (Eaton Aerospace, Llc Dba Jackson South), N45132PC3 (Eaton Aerospace, Llc Dba Jackson South), B40312 (Eaton Aerospace, Llc Dba Jackson South), 271624PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5325-00-598-1178?

There are 8 known substitutes for 5325-00-598-1178: 5961-00-078-6727, 3040-00-099-0063, 5120-00-287-4151 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 271624PC3?

Key specifications for 271624PC3: Inside Diameter: 1.469 INCHES NOMINAL IN; Material: STEEL; Material Document and Classification: JAN-S-1160,GRADE 2,TYPE B,MATERIAL NO. 5,COMPOSITION NO. 1 MIL SPEC SINGLE MATERIAL RESPONSE; Usage Design: EXTERNAL. 11 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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