PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9318Valve Assembly,disc

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4310-00-350-8973 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-350-8973 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-350-8973. Primary manufacturer part number: 9318.
Features
  • Valve Assembly,disc — FSC 4310
  • 1 verified cross-reference
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,disc, cataloged under National Stock Number 4310-00-350-8973, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assembly,disc
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
NSN4310-00-350-8973
Primary Part Number9318
Item NameValve Assembly,disc
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 6
5315-00-273-80449318 INTERCHANGEABLE
Pin,straight,headless
Cummins Inc.
5950-00-581-2092 INTERCHANGEABLE
Transformer,pulse
3030-00-774-9889152023 INTERCHANGEABLE
Belt,positive Drive
TB Woods's Corporation
2940-00-962-27579318 INTERCHANGEABLE
Air Cleaner,intake
King Engineering Corporation Dba King-Gage Systems
6625-01-056-65049318 INTERCHANGEABLE
Adapter Plug,testin
Electro Scientific Industries Inc
5962-01-074-4784 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
9318 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5315-00-273-8044INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
9318
5950-00-581-2092INTERCHANGEABLE
TRANSFORMER,PULSE
3030-00-774-9889INTERCHANGEABLE
BELT,POSITIVE DRIVE
152023
2940-00-962-2757INTERCHANGEABLE
AIR CLEANER,INTAKE
9318
6625-01-056-6504INTERCHANGEABLE
ADAPTER PLUG,TESTIN
9318
5962-01-074-4784INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 4310-00-350-8973?

NSN 4310-00-350-8973 is a Valve Assembly,disc, 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 4310-00-350-8973?

NSN 4310-00-350-8973 has 1 cross-referenced part number: 9318 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4310-00-350-8973?

There are 6 known substitutes for 4310-00-350-8973: 5315-00-273-8044, 5950-00-581-2092, 3030-00-774-9889 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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