PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6992Ring,piston

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-062-4351 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-062-4351 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-062-4351. Primary manufacturer part number: 6992.
Features
  • Ring,piston — FSC 4310
  • Standard Bore Diameter: 6.000 INCHES IN
  • Surface Treatment: PHOSPHATE MANGANESE OVERALL
  • Joint Style: STEP JOINT
  • Cross-Sectional Shape Style: TAPERED FACE
  • Radial Wall Thickness: 0.2150 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Ring Style: CONCENTRIC
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 4310-00-062-4351, 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 7 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
NSN4310-00-062-4351
Primary Part Number6992
Item NameRing,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
Surface TreatmentPHOSPHATE MANGANESE OVERALL
Joint StyleSTEP JOINT
Cross-Sectional Shape StyleTAPERED FACE
Radial Wall Thickness0.2150 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM IN
MaterialIRON OVERALL
Ring StyleCONCENTRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4130-00-061-870369-93 INTERCHANGEABLE
Filter Element,air Conditioning
Curtiss-Wright Controls Integrated Sensing, Inc.
5995-00-087-23256993 INTERCHANGEABLE
Cable Assembly,power,electrical
Spencer Industries Inc
5360-00-250-01866993 INTERCHANGEABLE
Spring,helical,compression
Telemechanics Inc
5985-00-296-1964 INTERCHANGEABLE
Dummy Load,electrical
5999-00-354-2839 INTERCHANGEABLE
Contact,electrical
5930-00-407-17966993 INTERCHANGEABLE
Switch,rotary
Triplett (bluffton) Corporation Dba Lfe Instruments
5995-00-445-1204445-1204 INTERCHANGEABLE
Cable Assembly,radio Frequency
J F C Electronics Inc
9540-00-596-2999 INTERCHANGEABLE
Angle,structural
5310-00-787-646612622 INTERCHANGEABLE
Washer,concave
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5130-00-800-6516 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
6992 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
6993 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
4130-00-061-8703INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
69-93
5995-00-087-2325INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
6993
5360-00-250-0186INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6993
5985-00-296-1964INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
5999-00-354-2839INTERCHANGEABLE
CONTACT,ELECTRICAL
5930-00-407-1796INTERCHANGEABLE
SWITCH,ROTARY
6993
5995-00-445-1204INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
445-1204
9540-00-596-2999INTERCHANGEABLE
ANGLE,STRUCTURAL
5310-00-787-6466INTERCHANGEABLE
WASHER,CONCAVE
12622
5130-00-800-6516INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6625-00-841-5326INTERCHANGEABLE
TIP,TEST PROD
699-3
5310-01-074-4354INTERCHANGEABLE
WASHER,FLAT
6993

Frequently Asked Questions

What is NSN 4310-00-062-4351?

NSN 4310-00-062-4351 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: cancelled.

What are the part numbers for NSN 4310-00-062-4351?

NSN 4310-00-062-4351 has 2 cross-referenced part numbers: 6992 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 6993 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-00-062-4351?

There are 12 known substitutes for 4310-00-062-4351: 4130-00-061-8703, 5995-00-087-2325, 5360-00-250-0186 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6992?

Key specifications for 6992: Standard Bore Diameter: 6.000 INCHES IN; Overall Width: 0.8700 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; End Item Identification: LOGISTICS SUPPORT VESSEL; Surface Treatment: PHOSPHATE MANGANESE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4310-00-062-4351 still in active supply?

NSN 4310-00-062-4351 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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