PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7527Ring Set,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-484-2735 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-484-2735 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-484-2735. Primary manufacturer part number: 7527.
Features
  • Ring Set,piston — FSC 4310
  • Standard Bore Diameter: 6.000 INCHES IN
  • Ring Set Component Parts: EXPANDER RING,2
  • Piston Accommodation Quantity: 4
  • 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 Set,piston, cataloged under National Stock Number 4310-00-484-2735, 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. Government technical data includes 3 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4310-00-484-2735
Primary Part Number7527
Item NameRing Set,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusCANCELLED
Standard Bore Diameter6.000 INCHES IN
Ring Set Component PartsEXPANDER RING,2
Piston Accommodation Quantity4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5940-00-020-0328614136 INTERCHANGEABLE
Terminal,lug
Clark Material Handling Company
6810-00-264-3936 INTERCHANGEABLE
Sodium Carbonate,anhydrous
6810-00-264-6593 INTERCHANGEABLE
Sodium Carbonate,anhydrous
3439-00-264-8073752-7 INTERCHANGEABLE
Flux,soldering
Northrop Grumman Systems Corporation
6150-00-295-75957527 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5930-00-898-04616981ED172-20 INTERCHANGEABLE
Switch Assembly
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
5930-01-044-4117 INTERCHANGEABLE
Push Button
5930-01-309-28932698-1654 INTERCHANGEABLE
Switch,sensitive
U S Dept of Transportation Federal Aviation Administration
6550-01-346-4794808090100 INTERCHANGEABLE
Blood Grouping Serum
Bio Rad Laboratories Inc Dba Bio Rad Laboratories
4330-01-470-60337527 INTERCHANGEABLE
Ring,control,fluid Flow
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
7527 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5940-00-020-0328INTERCHANGEABLE
TERMINAL,LUG
614136
6810-00-264-3936INTERCHANGEABLE
SODIUM CARBONATE,ANHYDROUS
6810-00-264-6593INTERCHANGEABLE
SODIUM CARBONATE,ANHYDROUS
3439-00-264-8073INTERCHANGEABLE
FLUX,SOLDERING
752-7
6150-00-295-7595INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
7527
5930-00-898-0461INTERCHANGEABLE
SWITCH ASSEMBLY
6981ED172-20
5930-01-044-4117INTERCHANGEABLE
PUSH BUTTON
5930-01-309-2893INTERCHANGEABLE
SWITCH,SENSITIVE
2698-1654
6550-01-346-4794INTERCHANGEABLE
BLOOD GROUPING SERUM
808090100
4330-01-470-6033INTERCHANGEABLE
RING,CONTROL,FLUID FLOW
7527
4120-01-644-6147INTERCHANGEABLE
TUBE,INNER
7527

Frequently Asked Questions

What is NSN 4310-00-484-2735?

NSN 4310-00-484-2735 is a Ring Set,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: cancelled.

What are the part numbers for NSN 4310-00-484-2735?

NSN 4310-00-484-2735 has 1 cross-referenced part number: 7527 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-00-484-2735?

There are 11 known substitutes for 4310-00-484-2735: 5940-00-020-0328, 6810-00-264-3936, 6810-00-264-6593 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7527?

Key specifications for 7527: Standard Bore Diameter: 6.000 INCHES IN; Ring Set Component Parts: EXPANDER RING,2; End Item Identification: LOGISTICS SUPPORT VESSEL; Piston Accommodation Quantity: 4. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-484-2735 still in active supply?

NSN 4310-00-484-2735 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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