PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3254Pilot Assembly,reli

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-148-4473 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-148-4473 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-148-4473. Primary manufacturer part number: 3254.
Features
  • Pilot Assembly,reli — 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 Pilot Assembly,reli, cataloged under National Stock Number 4310-00-148-4473, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePilot Assembly,reli
FSC / FSG4310 — No Item Name Available (FSG 43)
ManufacturersQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (CAGE 49576)
Technical Specifications
ParameterValue
NSN4310-00-148-4473
Primary Part Number3254
Item NamePilot Assembly,reli
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-156-485010098 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
3940-00-294-29423254 INTERCHANGEABLE
Adapter,hoisting
Allison Transmission Inc Dba Allison Transmission, Inc
3120-00-447-53983-25-4 INTERCHANGEABLE
Bearing,sleeve
Trailmobile Inc Sub of the Pullman Co
5310-00-768-0319 INTERCHANGEABLE
Nut,plain,hexagon
5360-00-840-1943 INTERCHANGEABLE
Spring,helical,extension
2530-00-848-51735457160 INTERCHANGEABLE
Cylinder
General Motors Llc Dba General Motors Llc
5950-01-196-183817252-0021 INTERCHANGEABLE
Reactor
Telephonics Corporation
9330-01-337-29773254 INTERCHANGEABLE
Fitting,cord,pigtai
Heyco Inc Dba Heyco Products
5962-01-364-54293254 INTERCHANGEABLE
Microcircuit,memory
Trig-Tek, Incorporated
6625-01-661-52313254 INTERCHANGEABLE
Reflectometer,optical Time Domai
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
3254 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
3110-00-156-4850INTERCHANGEABLE
BEARING,BALL,ANNULAR
10098
3940-00-294-2942INTERCHANGEABLE
ADAPTER,HOISTING
3254
3120-00-447-5398INTERCHANGEABLE
BEARING,SLEEVE
3-25-4
5310-00-768-0319INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5360-00-840-1943INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2530-00-848-5173INTERCHANGEABLE
CYLINDER
5457160
5950-01-196-1838INTERCHANGEABLE
REACTOR
17252-0021
9330-01-337-2977INTERCHANGEABLE
FITTING,CORD,PIGTAI
3254
5962-01-364-5429INTERCHANGEABLE
MICROCIRCUIT,MEMORY
3254
6625-01-661-5231INTERCHANGEABLE
REFLECTOMETER,OPTICAL TIME DOMAI
3254

Frequently Asked Questions

What is NSN 4310-00-148-4473?

NSN 4310-00-148-4473 is a Pilot Assembly,reli, 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 4310-00-148-4473?

NSN 4310-00-148-4473 has 1 cross-referenced part number: 3254 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-00-148-4473?

There are 10 known substitutes for 4310-00-148-4473: 3110-00-156-4850, 3940-00-294-2942, 3120-00-447-5398 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 4310-00-148-4473 still in active supply?

NSN 4310-00-148-4473 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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