PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6988Ring,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-01-288-7965 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-288-7965 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-288-7965. Primary manufacturer part number: 6988.
Features
  • Ring,piston — FSC 4310
  • Material: STEEL OVERALL
  • Radial Wall Thickness: 0.0900 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • Applications requiring Steel Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-288-7965, 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 2 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: Active.

Technical Specifications
ParameterValue
NSN4310-01-288-7965
Primary Part Number6988
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
MaterialSTEEL OVERALL
Radial Wall Thickness0.0900 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-010-07780903754-0 INTERCHANGEABLE
Screw,machine
Agco Corp Parts Opn
2930-00-021-23185196167 INTERCHANGEABLE
Cam,salt Water Pump
Rolls-Royce Solutions America Inc
5995-00-118-2751119885 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc.
5310-00-194-14716987 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
2530-00-470-1816FC13700 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5905-00-489-2070224557-001 INTERCHANGEABLE
Resistor,fixed,film
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5950-00-647-73426987 INTERCHANGEABLE
Transformer,power
Magnetek Inc Lighting Products Group
4820-00-929-5642P5003 INTERCHANGEABLE
Valve,globe
Dragon Valves Inc
5995-01-037-1920 INTERCHANGEABLE
Cable Assembly,electrical
2940-01-202-781346988 INTERCHANGEABLE
Filter,cylinder Head Cover to Ai
Wix Corp
Cross-Reference Index
Part NumberManufacturer
6987 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
6988 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5305-00-010-0778INTERCHANGEABLE
SCREW,MACHINE
0903754-0
2930-00-021-2318INTERCHANGEABLE
CAM,SALT WATER PUMP
5196167
5995-00-118-2751INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
119885
5310-00-194-1471INTERCHANGEABLE
WASHER,FLAT
6987
2530-00-470-1816INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
FC13700
5905-00-489-2070INTERCHANGEABLE
RESISTOR,FIXED,FILM
224557-001
5950-00-647-7342INTERCHANGEABLE
TRANSFORMER,POWER
6987
4820-00-929-5642INTERCHANGEABLE
VALVE,GLOBE
P5003
5995-01-037-1920INTERCHANGEABLE
CABLE ASSEMBLY,ELECTRICAL
2940-01-202-7813INTERCHANGEABLE
FILTER,CYLINDER HEAD COVER TO AI
46988
4820-01-203-3768INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
3040-01-211-4977INTERCHANGEABLE
CAM,CONTROL
6988-0000

Frequently Asked Questions

What is NSN 4310-01-288-7965?

NSN 4310-01-288-7965 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 4310-01-288-7965?

NSN 4310-01-288-7965 has 2 cross-referenced part numbers: 6987 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 6988 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-01-288-7965?

There are 12 known substitutes for 4310-01-288-7965: 5305-00-010-0778, 2930-00-021-2318, 5995-00-118-2751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6988?

Key specifications for 6988: End Item Identification: QUINCY COMPRESSOR,MODEL 340; Material: STEEL OVERALL; Radial Wall Thickness: 0.0900 INCHES NOMINAL IN. 3 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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