PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1620-00Stem,fluid Valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-475-8118 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-475-8118 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-475-8118. Primary manufacturer part number: 1620-00.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 2.000 INCHES IN
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Material: STEEL COMP 303
  • Valve Type for Which Designed: REGULATOR
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
  • 3 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-475-8118, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-475-8118
Primary Part Number1620-00
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Valve Size for Which Designed2.000 INCHES IN
Stem Actuating End TypeTHREADED EXTERNALLY
MaterialSTEEL COMP 303
Valve Type for Which DesignedREGULATOR
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-369-3402406955 INTERCHANGEABLE
Disk,valve
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6110-01-138-222070255-03 INTERCHANGEABLE
Control,voltage Regulator
Crane Electronics, Inc.
5310-01-219-0423 INTERCHANGEABLE
Washer,lock
4820-01-467-776840695-5 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-474-67441631-00 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-78771655-00 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-78821619-00 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-78871623-00 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-79791638-00 INTERCHANGEABLE
Valve,angle
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-475-81251656-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40695-5 PC 17 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40695-5 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1620-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
4820-00-369-3402INTERCHANGEABLE
DISK,VALVE
406955
6110-01-138-2220INTERCHANGEABLE
CONTROL,VOLTAGE REGULATOR
70255-03
5310-01-219-0423INTERCHANGEABLE
WASHER,LOCK
4820-01-467-7768INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40695-5
4820-01-474-6744INTERCHANGEABLE
SEAT,VALVE
1631-00
4820-01-475-7877INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
1655-00
4820-01-475-7882INTERCHANGEABLE
DISK,VALVE
1619-00
4820-01-475-7887INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
1623-00
4820-01-475-7979INTERCHANGEABLE
VALVE,ANGLE
1638-00
4820-01-475-8125INTERCHANGEABLE
STEM,FLUID VALVE
1656-00
4820-01-475-8210INTERCHANGEABLE
VALVE,FLOW CONTROL
1640-00
4820-01-475-8233INTERCHANGEABLE
RETAINER,DISK,VALVE
1654-00

Frequently Asked Questions

What is NSN 4820-01-475-8118?

NSN 4820-01-475-8118 is a Stem,fluid Valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-475-8118?

NSN 4820-01-475-8118 has 3 cross-referenced part numbers: 40695-5 PC 17 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40695-5 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1620-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-475-8118?

There are 12 known substitutes for 4820-01-475-8118: 4820-00-369-3402, 6110-01-138-2220, 5310-01-219-0423 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1620-00?

Key specifications for 1620-00: Valve Size for Which Designed: 2.000 INCHES IN; Stem Actuating End Type: THREADED EXTERNALLY; Material: STEEL COMP 303; End Item Identification: NHA VALVE, REGULATING FLUID NSN 4820-01-467-7768. 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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