PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125912Disk,valve

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4820-01-377-7422 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-377-7422 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-7422. Primary manufacturer part number: 125912.
Features
  • Disk,valve — FSC 4820
  • 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 Disk,valve, cataloged under National Stock Number 4820-01-377-7422, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-377-7422
Primary Part Number125912
Item NameDisk,valve
FSC / FSG4820 / 48 — 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 3
5340-00-391-3830100591 INTERCHANGEABLE
Clip,retaining
Dana Off Highway Products, Llc
1560-00-532-931612591-2 INTERCHANGEABLE
Tube,jury Strut Spa
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
6210-01-333-7117125912 INTERCHANGEABLE
Panel,indicating,light Transmitt
Astronautics Corporation of America
Cross-Reference Index
Part NumberManufacturer
125912 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
5340-00-391-3830INTERCHANGEABLE
CLIP,RETAINING
100591
1560-00-532-9316INTERCHANGEABLE
TUBE,JURY STRUT SPA
12591-2
6210-01-333-7117INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
125912

Frequently Asked Questions

What is NSN 4820-01-377-7422?

NSN 4820-01-377-7422 is a Disk,valve, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-377-7422?

NSN 4820-01-377-7422 has 1 cross-referenced part number: 125912 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4820-01-377-7422?

There are 3 known substitutes for 4820-01-377-7422: 5340-00-391-3830, 1560-00-532-9316, 6210-01-333-7117. Verify interchangeability with system specifications before substitution.

What are the specifications of 125912?

Key specifications for 125912: End Item Identification: HELICAL SCREW COMPRESSOR;COLTEC INDUSTRIES INC;MOD QSB 25. 1 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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