PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20775Repair Kit,valve

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 4820-01-476-1924 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-476-1924 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-476-1924. Primary manufacturer part number: 20775.
Features
  • Repair Kit,valve — FSC 4820
  • 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
General Description

The Repair Kit,valve, cataloged under National Stock Number 4820-01-476-1924, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-476-1924
Primary Part Number20775
Item NameRepair Kit,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 8
3120-00-592-8200 INTERCHANGEABLE
Bearing,sleeve
3694-00-766-5486 INTERCHANGEABLE
Clean Work Station
6160-00-949-65742077-5 INTERCHANGEABLE
Band,vent Valve
Gulton Industries Inc
3040-01-044-840820775 INTERCHANGEABLE
Lever,manual Control
Cummins Inc.
7510-01-119-5626M3917 INTERCHANGEABLE
Ribbon,inking
Getronics Government Solutions Llc
3030-01-151-964820775 INTERCHANGEABLE
Belt
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5961-01-276-651120775 INTERCHANGEABLE
Rectifier,semiconductor Device
National Oil Well Dba Iec Baylor
3040-01-294-1706 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Cross-Reference Index
Part NumberManufacturer
20775 Lorenz Equipment Co the (USA)
20775 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
3120-00-592-8200INTERCHANGEABLE
BEARING,SLEEVE
3694-00-766-5486INTERCHANGEABLE
CLEAN WORK STATION
6160-00-949-6574INTERCHANGEABLE
BAND,VENT VALVE
2077-5
3040-01-044-8408INTERCHANGEABLE
LEVER,MANUAL CONTROL
20775
7510-01-119-5626INTERCHANGEABLE
RIBBON,INKING
M3917
3030-01-151-9648INTERCHANGEABLE
BELT
20775
5961-01-276-6511INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
20775
3040-01-294-1706INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER

Frequently Asked Questions

What is NSN 4820-01-476-1924?

NSN 4820-01-476-1924 is a Repair Kit,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 4820-01-476-1924?

NSN 4820-01-476-1924 has 2 cross-referenced part numbers: 20775 (Lorenz Equipment Co the), 20775 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 4820-01-476-1924?

There are 8 known substitutes for 4820-01-476-1924: 3120-00-592-8200, 3694-00-766-5486, 6160-00-949-6574 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20775?

Key specifications for 20775: Special Features: NHA VALVE, REGULATING, SYSTEM PRESSURE, 4820-01-378-7287, CONTROL PIPING GROUP, QST/QSB AIR COMPRESSOR; End Item Identification: SHIP SERVICE AIR SYSTEM, MILITARY SEALIFT COMMAND SHIP, TAE. 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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