PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3939Ring,piston

Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division · NSN 3040-00-070-2285 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-070-2285 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-070-2285. Primary manufacturer part number: 3939.
Features
  • Ring,piston — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 3040-00-070-2285, 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 Dba Pneutronics Div Cylinder Division. This item has 2 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.

Catalog Facts
Item NameRing,piston
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersParker Hannifin Corporation Dba Pneutronics Div Cylinder Division (CAGE 84561); Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (CAGE 80020)
Technical Specifications
ParameterValue
NSN3040-00-070-2285
Primary Part Number3939
Item NameRing,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerParker Hannifin Corporation Dba Pneutronics Div Cylinder Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-253-69083939 INTERCHANGEABLE
Spring,helical,compression
Komatsu America Corporation
5930-00-272-1401 INTERCHANGEABLE
Switch,toggle
5999-00-299-0901201146-2 INTERCHANGEABLE
Contact,electrical
Te Connectivity Corporation
5985-00-643-2759P3939 INTERCHANGEABLE
Probe,waveguide
Projects Unlimited Inc
5305-01-352-2009 INTERCHANGEABLE
Screw,machine
6520-01-365-21057000053331 INTERCHANGEABLE
Matrix,crown,dental
Solventum Us Llc
5310-01-394-44683939 INTERCHANGEABLE
Washer,lock
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
5340-01-572-34013939 INTERCHANGEABLE
Bumper
Palm Industries Inc
Cross-Reference Index
Part NumberManufacturer
3939 PRIMARY Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division (USA)
515272-4 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5360-00-253-6908INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3939
5930-00-272-1401INTERCHANGEABLE
SWITCH,TOGGLE
5999-00-299-0901INTERCHANGEABLE
CONTACT,ELECTRICAL
201146-2
5985-00-643-2759INTERCHANGEABLE
PROBE,WAVEGUIDE
P3939
5305-01-352-2009INTERCHANGEABLE
SCREW,MACHINE
6520-01-365-2105INTERCHANGEABLE
MATRIX,CROWN,DENTAL
7000053331
5310-01-394-4468INTERCHANGEABLE
WASHER,LOCK
3939
5340-01-572-3401INTERCHANGEABLE
BUMPER
3939

Frequently Asked Questions

What is NSN 3040-00-070-2285?

NSN 3040-00-070-2285 is a Ring,piston, manufactured by Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-070-2285?

NSN 3040-00-070-2285 has 2 cross-referenced part numbers: 3939 (Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division), 515272-4 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 3040-00-070-2285?

There are 8 known substitutes for 3040-00-070-2285: 5360-00-253-6908, 5930-00-272-1401, 5999-00-299-0901 and 5 more. Verify interchangeability with system specifications before substitution.

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