PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7581Float,valve

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4820-01-377-6980 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-377-6980 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-377-6980. Primary manufacturer part number: 7581.
Features
  • Float,valve — FSC 4820
  • Connection Type: UNTHREADED
  • Quantity: 1
  • Material: STEEL CORROSION RESISTING
  • System for Which Designed: CLOSED
  • Shape: ROUND
  • 2 verified cross-references
  • 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
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Float,valve, cataloged under National Stock Number 4820-01-377-6980, 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. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-377-6980
Primary Part Number7581
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
Connection TypeUNTHREADED
Quantity1
MaterialSTEEL CORROSION RESISTING
System for Which DesignedCLOSED
ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-100-600414125A14274 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5940-00-187-5115210-406 INTERCHANGEABLE
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Zierick Mfg Corp
6810-00-264-6592 INTERCHANGEABLE
Sodium Chloride
5930-00-296-7238 INTERCHANGEABLE
Cover,electrical Switch
5960-00-728-1434 INTERCHANGEABLE
Electron Tube
6610-00-888-48632579 INTERCHANGEABLE
Indicator,position
Del Mar Avionics, Llc
5935-00-935-2236 INTERCHANGEABLE
Connector,receptacle,electrical
2030-01-298-1370758-1 INTERCHANGEABLE
Steering,wheel Mari
Sealand Power Industries, Inc. Dba Sealand Graphics
4240-01-496-41437000002157 INTERCHANGEABLE
Harness Assembly,mask,oxygen
3m Company
Cross-Reference Index
Part NumberManufacturer
7581 Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
C442-12 The Clark-Eliance Corp (USA)
Related Parts
3110-00-100-6004INTERCHANGEABLE
BEARING,ROLLER,TAPERED
14125A14274
5940-00-187-5115INTERCHANGEABLE
TERMINAL,LUG
210-406
6810-00-264-6592INTERCHANGEABLE
SODIUM CHLORIDE
5930-00-296-7238INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
5960-00-728-1434INTERCHANGEABLE
ELECTRON TUBE
6610-00-888-4863INTERCHANGEABLE
INDICATOR,POSITION
2579
5935-00-935-2236INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2030-01-298-1370INTERCHANGEABLE
STEERING,WHEEL MARI
758-1
4240-01-496-4143INTERCHANGEABLE
HARNESS ASSEMBLY,MASK,OXYGEN
7000002157

Frequently Asked Questions

What is NSN 4820-01-377-6980?

NSN 4820-01-377-6980 is a Float,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 4820-01-377-6980?

NSN 4820-01-377-6980 has 2 cross-referenced part numbers: 7581 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), C442-12 (The Clark-Eliance Corp).

What NSN replaces 4820-01-377-6980?

There are 9 known substitutes for 4820-01-377-6980: 3110-00-100-6004, 5940-00-187-5115, 6810-00-264-6592 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7581?

Key specifications for 7581: Connection Type: UNTHREADED; Quantity: 1; Material: STEEL CORROSION RESISTING; System for Which Designed: CLOSED. 7 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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