PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6322Breather

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-01-251-8446 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-251-8446 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-251-8446. Primary manufacturer part number: 6322.
Features
  • Breather — FSC 4310
  • 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 Breather, cataloged under National Stock Number 4310-01-251-8446, 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. This item has 1 commercial cross-reference 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
NSN4310-01-251-8446
Primary Part Number6322
Item NameBreather
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8959 INTERCHANGEABLE
Bearing,ball,annular
8345-00-233-2943 INTERCHANGEABLE
Flag,national
6150-00-240-70356322 INTERCHANGEABLE
Lead,storage Battery
893 Mfg, Llc
8345-00-247-0392 INTERCHANGEABLE
Flag,national
5960-00-296-73266322 INTERCHANGEABLE
Electron Tube
General Dynamics Mission Systems, Inc.
5950-00-438-6476920009-23 INTERCHANGEABLE
Transformer,audio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5960-00-577-3205 INTERCHANGEABLE
Electron Tube
5365-01-074-82576322 INTERCHANGEABLE
Shim
Cae Usa Inc.
5360-01-189-7304 INTERCHANGEABLE
Spring,helical,compression
5136-01-431-19486322 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
6322 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
3110-00-144-8959INTERCHANGEABLE
BEARING,BALL,ANNULAR
8345-00-233-2943INTERCHANGEABLE
FLAG,NATIONAL
6150-00-240-7035INTERCHANGEABLE
LEAD,STORAGE BATTERY
6322
8345-00-247-0392INTERCHANGEABLE
FLAG,NATIONAL
5960-00-296-7326INTERCHANGEABLE
ELECTRON TUBE
6322
5950-00-438-6476INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
920009-23
5960-00-577-3205INTERCHANGEABLE
ELECTRON TUBE
5365-01-074-8257INTERCHANGEABLE
SHIM
6322
5360-01-189-7304INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5136-01-431-1948INTERCHANGEABLE
DIE,THREAD CUTTING
6322
6515-01-515-4225INTERCHANGEABLE
IMPLANT,ORBITAL,SPHERE
6322
7240-01-659-4094INTERCHANGEABLE
LID,UTILITY PAIL
6322

Frequently Asked Questions

What is NSN 4310-01-251-8446?

NSN 4310-01-251-8446 is a Breather, 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 4310-01-251-8446?

NSN 4310-01-251-8446 has 1 cross-referenced part number: 6322 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-01-251-8446?

There are 12 known substitutes for 4310-01-251-8446: 3110-00-144-8959, 8345-00-233-2943, 6150-00-240-7035 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6322?

Key specifications for 6322: End Item Identification: COLT IND,QUINCY COMPRESSOR MODEL 325; Special Features: NYLON. 2 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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