PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7966Ring,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-01-278-2709 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-278-2709 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-278-2709. Primary manufacturer part number: 7966.
Features
  • Ring,piston — FSC 4310
  • 1 verified cross-reference
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-278-2709, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-278-2709
Primary Part Number7966
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-258-99107966 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Eby Group, Llc, the Dba Eby Company Div Eby Company
5935-00-733-80527966 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
3610-01-108-99507966 INTERCHANGEABLE
Plate,sub Assembly
Abd Intl Inc Dba Abdick
6105-01-361-5407E9145 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
3040-01-658-77357966 INTERCHANGEABLE
Lever,manual Control
Arcosa Marine Components, Llc
Cross-Reference Index
Part NumberManufacturer
7966 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5935-00-258-9910INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
7966
5935-00-733-8052INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7966
3610-01-108-9950INTERCHANGEABLE
PLATE,SUB ASSEMBLY
7966
6105-01-361-5407INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
E9145
3040-01-658-7735INTERCHANGEABLE
LEVER,MANUAL CONTROL
7966

Frequently Asked Questions

What is NSN 4310-01-278-2709?

NSN 4310-01-278-2709 is a Ring,piston, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-278-2709?

NSN 4310-01-278-2709 has 1 cross-referenced part number: 7966 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-01-278-2709?

There are 5 known substitutes for 4310-01-278-2709: 5935-00-258-9910, 5935-00-733-8052, 3610-01-108-9950 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7966?

Key specifications for 7966: End Item Identification: COLT IND QUINCY DIV QR-25 SERIES AIR COMPRESSOR. 1 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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