PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27018Ring,piston

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 3040-01-648-3253 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-648-3253 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-648-3253. Primary manufacturer part number: 27018.
Features
  • Ring,piston — FSC 3040
  • Standard Bore Diameter: 57.5 MILLIMETERS MM
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 3040-01-648-3253, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 2 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-648-3253
Primary Part Number27018
Item NameRing,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Standard Bore Diameter57.5 MILLIMETERS MM
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-009-922927018 INTERCHANGEABLE
Gasket
Ni Industries Inc Thermador/waste King Div
5920-00-011-7142 INTERCHANGEABLE
Fuse,cartridge
4730-00-165-505027018 INTERCHANGEABLE
Coupling Body,tube
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5315-00-214-062327018 INTERCHANGEABLE
Pin,straight,headless
Brinkley Technology Group Llc Dba Hercules Manufacturing
3040-00-420-7761 INTERCHANGEABLE
Shaft,straight
5905-00-948-316827018 INTERCHANGEABLE
Resistor Assembly
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
5930-00-998-9304 INTERCHANGEABLE
Switch,lock
2920-01-102-7492375900 INTERCHANGEABLE
Starter,engine,electrical
Lister Petter Americas Incorporated
5985-01-184-030127018 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Div Dba Narda-Miteq
3040-01-194-798733291 INTERCHANGEABLE
Head,transfer,actuator
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
27018 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5330-00-009-9229INTERCHANGEABLE
GASKET
27018
5920-00-011-7142INTERCHANGEABLE
FUSE,CARTRIDGE
4730-00-165-5050INTERCHANGEABLE
COUPLING BODY,TUBE
27018
5315-00-214-0623INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
27018
3040-00-420-7761INTERCHANGEABLE
SHAFT,STRAIGHT
5905-00-948-3168INTERCHANGEABLE
RESISTOR ASSEMBLY
27018
5930-00-998-9304INTERCHANGEABLE
SWITCH,LOCK
2920-01-102-7492INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
375900
5985-01-184-0301INTERCHANGEABLE
COUPLER,DIRECTIONAL
27018
3040-01-194-7987INTERCHANGEABLE
HEAD,TRANSFER,ACTUATOR
33291
5365-01-406-3656INTERCHANGEABLE
PLUG,MACHINE THREAD
27018
7025-01-498-2996INTERCHANGEABLE
PALM,HANDHELD
ZIRE 72

Frequently Asked Questions

What is NSN 3040-01-648-3253?

NSN 3040-01-648-3253 is a Ring,piston, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-648-3253?

NSN 3040-01-648-3253 has 1 cross-referenced part number: 27018 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 3040-01-648-3253?

There are 12 known substitutes for 3040-01-648-3253: 5330-00-009-9229, 5920-00-011-7142, 4730-00-165-5050 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27018?

Key specifications for 27018: End Item Identification: 1520-01-515-4615; Standard Bore Diameter: 57.5 MILLIMETERS MM; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 3 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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