PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8165Ring Set,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-465-1090 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-465-1090 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-465-1090. Primary manufacturer part number: 8165.
Features
  • Ring Set,piston — FSC 4310
  • Standard Bore Diameter: 2.000 INCHES IN
  • Piston Accommodation Quantity: 1
  • FSC Application Data: AIR COMPRESSOR
  • Ring Set Component Parts: 49576 1938 COMPRESSION RING 3; 49576 1939 OIL RING 1
  • 2 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 4310-00-465-1090, 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 2 commercial cross-references from 1 manufacturer, 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
NSN4310-00-465-1090
Primary Part Number8165
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 Diameter2.000 INCHES IN
Piston Accommodation Quantity1
FSC Application DataAIR COMPRESSOR
Ring Set Component Parts49576 1938 COMPRESSION RING 3; 49576 1939 OIL RING 1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2990-00-004-8351T-8165 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
7290-00-222-34184452 INTERCHANGEABLE
Sewing Machine,household
Singer Co the United States Div - Sewing Products Group
1620-00-342-0257 INTERCHANGEABLE
Selector,damper,steering
5310-00-448-14098165 INTERCHANGEABLE
Washer,spring Tension
Telemechanics Inc
4720-00-536-91734452 INTERCHANGEABLE
Hose,preformed
Brinkley Technology Group Llc Dba Hercules Manufacturing
5325-00-721-5235221 INTERCHANGEABLE
Grommet,nonmetallic
Parker-Hannifin Corporation Div O-Ring Division
2540-00-741-423894.10.01.08 INTERCHANGEABLE
Cask Asy Water Side
Amfs American Fleet Services
3895-00-758-97107700086 INTERCHANGEABLE
Tank,distributor Bituminous
Ed Etnyre & Co
4140-00-774-85148165 INTERCHANGEABLE
Impeller,fan,centrifugal
Way Wolff Associates Inc
5970-00-788-4901 INTERCHANGEABLE
Tape,insulation,electrical
Cross-Reference Index
Part NumberManufacturer
4452 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
8165 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
2990-00-004-8351INTERCHANGEABLE
MUFFLER,EXHAUST
T-8165
7290-00-222-3418INTERCHANGEABLE
SEWING MACHINE,HOUSEHOLD
4452
1620-00-342-0257INTERCHANGEABLE
SELECTOR,DAMPER,STEERING
5310-00-448-1409INTERCHANGEABLE
WASHER,SPRING TENSION
8165
4720-00-536-9173INTERCHANGEABLE
HOSE,PREFORMED
4452
5325-00-721-5235INTERCHANGEABLE
GROMMET,NONMETALLIC
221
2540-00-741-4238INTERCHANGEABLE
CASK ASY WATER SIDE
94.10.01.08
3895-00-758-9710INTERCHANGEABLE
TANK,DISTRIBUTOR BITUMINOUS
7700086
4140-00-774-8514INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
8165
5970-00-788-4901INTERCHANGEABLE
TAPE,INSULATION,ELECTRICAL
4730-00-834-5456INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
5960-00-958-9146INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 4310-00-465-1090?

NSN 4310-00-465-1090 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 4310-00-465-1090?

NSN 4310-00-465-1090 has 2 cross-referenced part numbers: 4452 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 8165 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-00-465-1090?

There are 12 known substitutes for 4310-00-465-1090: 2990-00-004-8351, 7290-00-222-3418, 1620-00-342-0257 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8165?

Key specifications for 8165: Standard Bore Diameter: 2.000 INCHES IN; Piston Accommodation Quantity: 1; FSC Application Data: AIR COMPRESSOR; Ring Set Component Parts: 49576 1938 COMPRESSION RING 3; 49576 1939 OIL RING 1. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-465-1090 still in active supply?

NSN 4310-00-465-1090 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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