PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25523Valve Assembly,fire Extinguisher

Tyco Fire Products Lp · NSN 4210-00-490-5506 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-00-490-5506 — this item is cataloged by the U.S. Government under National Stock Number 4210-00-490-5506. Primary manufacturer part number: 25523.
Features
  • Valve Assembly,fire Extinguisher — FSC 4210
  • General Characteristics Item Description: BRASS;TO BE OPENED MANUALLY BY;REMOTELOCATION BY MEANS OF A PNEUMATIC ACTUATOR,ORMANUALLY AT THE VALVE BY,QUICK-OPENING LEVER ACTION OR CONVENTIONAL HANDWHEEL ACTION;THREE METHODS ARE INDEPENDENT AND WILL NOT INTERFERE WITH EACH OTHER;VALVE IS PROVIDED WITH AN INTEGRAL SAFETY RELIEF SET AT 3600-4000PSI TO RELIEVE AT 4000 PSI MAX AT 160DEGREES F;VALVE IS PROVIDED WITH 1 LEVER,1 HANDWHEEL,1 GAUGE READING FROM 0-4000PSI,MARKED TO SHOW OPERABLE RANGE OF PRESSURE,1 SAFETY PLUG NOZZLE TYPE 0.125INCH DIA HOLE,6-REQUIRED;APPOX OVERALL HEIGHT 5.880,WIDTH 3.000;NITROGEN IN
  • 4 verified cross-references
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,fire Extinguisher, cataloged under National Stock Number 4210-00-490-5506, is classified within Federal Supply Class 4210 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, 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
NSN4210-00-490-5506
Primary Part Number25523
Item NameValve Assembly,fire Extinguisher
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
General Characteristics Item DescriptionBRASS;TO BE OPENED MANUALLY BY;REMOTELOCATION BY MEANS OF A PNEUMATIC ACTUATOR,ORMANUALLY AT THE VALVE BY,QUICK-OPENING LEVER ACTION OR CONVENTIONAL HANDWHEEL ACTION;THREE METHODS ARE INDEPENDENT AND WILL NOT INTERFERE WITH EACH OTHER;VALVE IS PROVIDED WITH AN INTEGRAL SAFETY RELIEF SET AT 3600-4000PSI TO RELIEVE AT 4000 PSI MAX AT 160DEGREES F;VALVE IS PROVIDED WITH 1 LEVER,1 HANDWHEEL,1 GAUGE READING FROM 0-4000PSI,MARKED TO SHOW OPERABLE RANGE OF PRESSURE,1 SAFETY PLUG NOZZLE TYPE 0.125INCH DIA HOLE,6-REQUIRED;APPOX OVERALL HEIGHT 5.880,WIDTH 3.000;NITROGEN IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-0547 INTERCHANGEABLE
Cup,tapered Roller Bearing
4730-00-107-31841-2CD45-S INTERCHANGEABLE
Elbow,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
4820-00-355-7683419100 INTERCHANGEABLE
Valve Assembly,manifold
Tyco Fire Products Lp
6105-00-594-864234208 INTERCHANGEABLE
Motor,direct Current
Honeywell International Inc. Div Aerospace - Torrance
2915-00-715-817112824 INTERCHANGEABLE
Parts Kit,valve,cur
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4710-01-011-636835083 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
4720-01-128-961225523-2 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stewart & Stevenson Power Products Llc
4720-01-130-435925523-1 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stewart & Stevenson Power Products Llc
4720-01-130-546625523-3 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stewart & Stevenson Power Products Llc
3010-01-397-85919974102526 INTERCHANGEABLE
Carrier,gear Assembly
Grove U.s. Llc Dba Grove Us Llc
Cross-Reference Index
Part NumberManufacturer
25523N Tyco Fire Products Lp (USA)
12824 Bastian Bros Co (USA)
25523 PRIMARY Tyco Fire Products Lp (USA)
25523 Bastian Bros Co (USA)
Related Parts
3110-00-100-0547INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
4730-00-107-3184INTERCHANGEABLE
ELBOW,PIPE
1-2CD45-S
4820-00-355-7683INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
419100
6105-00-594-8642INTERCHANGEABLE
MOTOR,DIRECT CURRENT
34208
2915-00-715-8171INTERCHANGEABLE
PARTS KIT,VALVE,CUR
12824
4710-01-011-6368INTERCHANGEABLE
TUBE ASSEMBLY,METAL
35083
4720-01-128-9612INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
25523-2
4720-01-130-4359INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
25523-1
4720-01-130-5466INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
25523-3
3010-01-397-8591INTERCHANGEABLE
CARRIER,GEAR ASSEMBLY
9974102526
6505-01-599-0065INTERCHANGEABLE
ANALGESIC WIPES,TOPICAL
NDC59316-0104-50
6645-01-655-6081INTERCHANGEABLE
METER,TIME TOTALIZING
12824

Frequently Asked Questions

What is NSN 4210-00-490-5506?

NSN 4210-00-490-5506 is a Valve Assembly,fire Extinguisher, manufactured by Tyco Fire Products Lp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-00-490-5506?

NSN 4210-00-490-5506 has 4 cross-referenced part numbers: 25523N (Tyco Fire Products Lp), 12824 (Bastian Bros Co), 25523 (Tyco Fire Products Lp), 25523 (Bastian Bros Co).

What NSN replaces 4210-00-490-5506?

There are 12 known substitutes for 4210-00-490-5506: 3110-00-100-0547, 4730-00-107-3184, 4820-00-355-7683 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25523?

Key specifications for 25523: End Item Identification: FIRE EXTINGUISHER,DWG NO. 25521; General Characteristics Item Description: BRASS;TO BE OPENED MANUALLY BY;REMOTELOCATION BY MEANS OF A PNEUMATIC ACTUATOR,ORMANUALLY AT THE VALVE BY,QUICK-OPENING LEVER ACTION OR CONVENTIONAL HANDWHEEL ACTION;THREE METHODS ARE INDEPENDENT AND WILL NOT INTERFERE WITH EACH OTHER;VALVE IS PROVIDED WITH AN INTEGRAL SAFETY RELIEF SET AT 3600-4000PSI TO RELIEVE AT 4000 PSI MAX AT 160DEGREES F;VALVE IS PROVIDED WITH 1 LEVER,1 HANDWHEEL,1 GAUGE READING FROM 0-4000PSI,MARKED TO SHOW OPERABLE RANGE OF PRESSURE,1 SAFETY PLUG NOZZLE TYPE 0.125INCH DIA HOLE,6-REQUIRED;APPOX OVERALL HEIGHT 5.880,WIDTH 3.000;NITROGEN IN. 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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