PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B12071-0500Ring,piston

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 3040-01-446-4665 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-446-4665 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-446-4665. Primary manufacturer part number: B12071-0500.
Features
  • Ring,piston — FSC 3040
  • 6 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 3040-01-446-4665, 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 Hydraulic Valve Division. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 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)
ManufacturersHyco Inc (CAGE 95953); Daimler Truck North America Llc (CAGE 64678); Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (CAGE 02249); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990)
Technical Specifications
ParameterValue
NSN3040-01-446-4665
Primary Part NumberB12071-0500
Item NameRing,piston
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6640-01-153-6786B1040WA INTERCHANGEABLE
Bag,water Sample
Nasco Healthcare Inc
4820-01-371-1439B12071-1 INTERCHANGEABLE
Stem,fluid Valve
Mission Systems Orchard Park Inc
3040-01-446-6274B12071-0300 INTERCHANGEABLE
Ring,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
3040-01-446-6277GSN/B12071 0400 INTERCHANGEABLE
Ring,piston
Daimler Truck North America Llc
Cross-Reference Index
Part NumberManufacturer
B12071-0500 Hyco Inc (USA)
GSN/B12071 0500 Daimler Truck North America Llc (USA)
B12071 Hyco Inc (USA)
B12071-0500 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
B12071-0500 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
B12071 Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA)
Related Parts
6640-01-153-6786INTERCHANGEABLE
BAG,WATER SAMPLE
B1040WA
4820-01-371-1439INTERCHANGEABLE
STEM,FLUID VALVE
B12071-1
3040-01-446-6274INTERCHANGEABLE
RING,PISTON
B12071-0300
3040-01-446-6277INTERCHANGEABLE
RING,PISTON
GSN/B12071 0400

Frequently Asked Questions

What is NSN 3040-01-446-4665?

NSN 3040-01-446-4665 is a Ring,piston, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-446-4665?

NSN 3040-01-446-4665 has 6 cross-referenced part numbers: B12071-0500 (Hyco Inc), GSN/B12071 0500 (Daimler Truck North America Llc), B12071 (Hyco Inc), B12071-0500 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), B12071-0500 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division) and 1 more.

What NSN replaces 3040-01-446-4665?

There are 4 known substitutes for 3040-01-446-4665: 6640-01-153-6786, 4820-01-371-1439, 3040-01-446-6274 and 1 more. Verify interchangeability with system specifications before substitution.

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