PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20665Valve,regulating,fluid Pressure

Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc. · NSN 4820-01-595-5126 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-595-5126 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-595-5126. Primary manufacturer part number: 20665.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-595-5126, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-595-5126
Primary Part Number20665
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3805-00-163-882320665 INTERCHANGEABLE
Rod
Komatsu America Corporation
5133-00-189-9292 INTERCHANGEABLE
Drill,twist
3110-00-198-1064100104-5 INTERCHANGEABLE
Bearing,roller,needle
Meggitt North Hollywood Inc
5330-00-596-8368 INTERCHANGEABLE
Gasket
6130-00-901-319420665 INTERCHANGEABLE
Power Supply
Senior Operations Llc Div Senior Aerospace Ketema
3040-01-364-613820665 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Flatwater Fleet Inc Dba Flatwater Fleet Inc
6240-01-419-5622 INTERCHANGEABLE
Lamp,fluorescent
5310-01-707-417920-665 INTERCHANGEABLE
Washer,lock
Rix Industries
Cross-Reference Index
Part NumberManufacturer
20665 Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc. (USA)
Related Parts
3805-00-163-8823INTERCHANGEABLE
ROD
20665
5133-00-189-9292INTERCHANGEABLE
DRILL,TWIST
3110-00-198-1064INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
100104-5
5330-00-596-8368INTERCHANGEABLE
GASKET
6130-00-901-3194INTERCHANGEABLE
POWER SUPPLY
20665
3040-01-364-6138INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
20665
6240-01-419-5622INTERCHANGEABLE
LAMP,FLUORESCENT
5310-01-707-4179INTERCHANGEABLE
WASHER,LOCK
20-665

Frequently Asked Questions

What is NSN 4820-01-595-5126?

NSN 4820-01-595-5126 is a Valve,regulating,fluid Pressure, manufactured by Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-595-5126?

NSN 4820-01-595-5126 has 1 cross-referenced part number: 20665 (Crash Rescue Equipment Service Incorporated Div Crash Rescue Equipment Service, Inc.).

What NSN replaces 4820-01-595-5126?

There are 8 known substitutes for 4820-01-595-5126: 3805-00-163-8823, 5133-00-189-9292, 3110-00-198-1064 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20665?

Key specifications for 20665: End Item Identification: 4210-01-569-6073 FIRE SUPPRESSION SYSTEM (FSS). 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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