PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3180321-2Ring,retaining

Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) · NSN 5325-01-399-4595 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-399-4595 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-399-4595. Primary manufacturer part number: 3180321-2.
Features
  • Ring,retaining — FSC 5325
  • 2 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-399-4595, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersPacific Piston Ring Co Inc (CAGE 82151); Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (CAGE 59364)
Technical Specifications
ParameterValue
NSN5325-01-399-4595
Primary Part Number3180321-2
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-517-53661-1561-1250 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
2815-00-570-644011790 INTERCHANGEABLE
Rocker Arm Assy,val
Napco International Llc Dba Napco International Inc
5895-00-620-9446 INTERCHANGEABLE
Modulator
3120-00-661-857411790 INTERCHANGEABLE
Bearing,sleeve
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5342-00-672-113111790 INTERCHANGEABLE
Lock,caster
Aerol Llc
3120-01-408-093911790 INTERCHANGEABLE
Bearing,washer,thrust
Level 10 Industries, Inc. Div Level 10 Industries
6650-01-549-583511790 INTERCHANGEABLE
Cap,lens
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
11790 Pacific Piston Ring Co Inc (USA)
3180321-2 PRIMARY Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
Related Parts
3455-00-517-5366INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-1250
2815-00-570-6440INTERCHANGEABLE
ROCKER ARM ASSY,VAL
11790
5895-00-620-9446INTERCHANGEABLE
MODULATOR
3120-00-661-8574INTERCHANGEABLE
BEARING,SLEEVE
11790
5342-00-672-1131INTERCHANGEABLE
LOCK,CASTER
11790
3120-01-408-0939INTERCHANGEABLE
BEARING,WASHER,THRUST
11790
6650-01-549-5835INTERCHANGEABLE
CAP,LENS
11790

Frequently Asked Questions

What is NSN 5325-01-399-4595?

NSN 5325-01-399-4595 is a Ring,retaining, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-399-4595?

NSN 5325-01-399-4595 has 2 cross-referenced part numbers: 11790 (Pacific Piston Ring Co Inc), 3180321-2 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).

What NSN replaces 5325-01-399-4595?

There are 7 known substitutes for 5325-01-399-4595: 3455-00-517-5366, 2815-00-570-6440, 5895-00-620-9446 and 4 more. Verify interchangeability with system specifications before substitution.

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