PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8161Ring Set,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-413-2877 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-413-2877 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-413-2877. Primary manufacturer part number: 8161.
Features
  • Ring Set,piston — FSC 4310
  • Standard Bore Diameter: 2.500 INCHES IN
  • Piston Accommodation Quantity: 1
  • FSC Application Data: AIR COMPRESSOR
  • Ring Set Component Parts: COMPRESSION RING,1652P,49576,2;SCRAPER RING,1652S,49576,1;OIL RING,1653,49576,1;SPRINGS,ONE INSTALLED PER COMPRESSION RING,49576,2
  • 6 verified cross-references
  • 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 4310-00-413-2877, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4310-00-413-2877
Primary Part Number8161
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 Diameter2.500 INCHES IN
Piston Accommodation Quantity1
FSC Application DataAIR COMPRESSOR
Ring Set Component PartsCOMPRESSION RING,1652P,49576,2;SCRAPER RING,1652S,49576,1;OIL RING,1653,49576,1;SPRINGS,ONE INSTALLED PER COMPRESSION RING,49576,2
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-014-61364P94519-101A INTERCHANGEABLE
Seal,generator Cool
Kirkhill, Inc. Dba Kirkhill Inc
5355-00-093-68176537 INTERCHANGEABLE
Stop,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5940-00-134-07801417 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
3110-00-157-03326536 INTERCHANGEABLE
Bearing,ball,annular
Clayton Manufacturing Company
3110-00-157-6105208CTC INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3110-00-158-82982X55 INTERCHANGEABLE
Bearing,ball,duplex
Steego Corp
6515-00-183-94754422 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Critikon Inc Sub of Johnson and Johnson
6220-00-226-1994891892 INTERCHANGEABLE
Lamp Unit,vehicular
Dana Off Highway Products, Llc
3110-00-227-468628580-28521WITHSPACERY2S28521 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5950-00-227-9232677-2610-00 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
8161 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
4SC1085 Striegel Supply, Inc. Dba Striegel Supply Inc (USA)
6537 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
4422 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
6536 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
6538 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5330-00-014-6136INTERCHANGEABLE
SEAL,GENERATOR COOL
4P94519-101A
5355-00-093-6817INTERCHANGEABLE
STOP,ADJUSTABLE
6537
5940-00-134-0780INTERCHANGEABLE
TERMINAL,STUD
1417
3110-00-157-0332INTERCHANGEABLE
BEARING,BALL,ANNULAR
6536
3110-00-157-6105INTERCHANGEABLE
BEARING,BALL,ANNULAR
208CTC
3110-00-158-8298INTERCHANGEABLE
BEARING,BALL,DUPLEX
2X55
6515-00-183-9475INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
4422
6220-00-226-1994INTERCHANGEABLE
LAMP UNIT,VEHICULAR
891892
3110-00-227-4686INTERCHANGEABLE
BEARING,ROLLER,TAPERED
28580-28521WITHSPACERY2S28521
5950-00-227-9232INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-2610-00
5120-00-237-0979INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5940-00-238-2902INTERCHANGEABLE
TERMINAL BOARD
651 XP R 10

Frequently Asked Questions

What is NSN 4310-00-413-2877?

NSN 4310-00-413-2877 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 4310-00-413-2877?

NSN 4310-00-413-2877 has 6 cross-referenced part numbers: 8161 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4SC1085 (Striegel Supply, Inc. Dba Striegel Supply Inc), 6537 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4422 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 6536 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor) and 1 more.

What NSN replaces 4310-00-413-2877?

There are 12 known substitutes for 4310-00-413-2877: 5330-00-014-6136, 5355-00-093-6817, 5940-00-134-0780 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8161?

Key specifications for 8161: Standard Bore Diameter: 2.500 INCHES IN; Piston Accommodation Quantity: 1; End Item Identification: AIR COMPRESSOR,COLT INDUSTRIES,QUINCY DIV,INC,MODEL D325; FSC Application Data: AIR COMPRESSOR. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-413-2877 still in active supply?

NSN 4310-00-413-2877 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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