PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403818-10Ring,piston

Honeywell International Inc. Div Aerospace - Torrance · NSN 4310-01-062-0655 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-062-0655 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-062-0655. Primary manufacturer part number: 403818-10.
Features
  • Ring,piston — FSC 4310
  • Material: IRON OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Radial Wall Thickness: 0.0350 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
  • Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY
  • Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER
  • Standard Bore Diameter: 0.688 INCHES IN
  • Ring Style: CONCENTRIC
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-062-0655, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-062-0655
Primary Part Number403818-10
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
MaterialIRON OVERALL
Surface TreatmentOXIDE OVERALL
Radial Wall Thickness0.0350 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
Cross-Sectional Shape StyleSTRAIGHT FACE, DOUBLE SCRAPER
Standard Bore Diameter0.688 INCHES IN
Ring StyleCONCENTRIC
Joint StyleVERTICAL JOINT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-920-02229M8919 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
5330-00-930-32545197583 INTERCHANGEABLE
Seal Ring,metal
Rolls-Royce Solutions America Inc
4730-01-538-1773403818 INTERCHANGEABLE
Plug,quick Disconnect
Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
403818 Honeywell International Inc. Div Aerospace - Torrance (USA)
403818-10 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
Related Parts
5325-00-920-0222INTERCHANGEABLE
RING,RETAINING
9M8919
5330-00-930-3254INTERCHANGEABLE
SEAL RING,METAL
5197583
4730-01-538-1773INTERCHANGEABLE
PLUG,QUICK DISCONNECT
403818

Frequently Asked Questions

What is NSN 4310-01-062-0655?

NSN 4310-01-062-0655 is a Ring,piston, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-062-0655?

NSN 4310-01-062-0655 has 2 cross-referenced part numbers: 403818 (Honeywell International Inc. Div Aerospace - Torrance), 403818-10 (Honeywell International Inc. Div Aerospace - Torrance).

What NSN replaces 4310-01-062-0655?

There are 3 known substitutes for 4310-01-062-0655: 5325-00-920-0222, 5330-00-930-3254, 4730-01-538-1773. Verify interchangeability with system specifications before substitution.

What are the specifications of 403818-10?

Key specifications for 403818-10: Material: IRON OVERALL; Surface Treatment: OXIDE OVERALL; Radial Wall Thickness: 0.0350 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN; Oil Passage Type and Quantity: 1 GROOVE OUTSIDE PERIPHERY. 10 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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