PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

67521Cylinder and Valve Assembly

Tyco Fire Products Lp · NSN 4210-01-280-4176 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-280-4176 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-280-4176. Primary manufacturer part number: 67521.
Features
  • Cylinder and Valve Assembly — FSC 4210
  • General Characteristics Item Description: USED ON 1301 FIRE SUPPRESSION SYSTEM; FILLED WITH 550 LBS OF HALON; MATERIAL IS CORROSION RESISTANT STEEL,20 IN. DIA.; 60 IN. HIGH; WEIGHS 1000 LBS LBS
  • 2 verified cross-references
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cylinder and Valve Assembly, cataloged under National Stock Number 4210-01-280-4176, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-280-4176
Primary Part Number67521
Item NameCylinder and Valve Assembly
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
General Characteristics Item DescriptionUSED ON 1301 FIRE SUPPRESSION SYSTEM; FILLED WITH 550 LBS OF HALON; MATERIAL IS CORROSION RESISTANT STEEL,20 IN. DIA.; 60 IN. HIGH; WEIGHS 1000 LBS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-134-422221052 INTERCHANGEABLE
Clamp,hose
Norma Pennsylvania Inc. Div Breeze Industrial Products
5360-00-265-584569-645 INTERCHANGEABLE
Spring,helical,compression
Eaton Corp Opns & Technical Center
5935-00-280-2311 INTERCHANGEABLE
Cover,electrical Connector
6240-01-094-8332 INTERCHANGEABLE
Lamp,sodium
5340-01-476-55346752-1 INTERCHANGEABLE
Bracket,mounting
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
67521 Grinnell Corp Grinnell Fire Protection Systmes Div (USA)
67521 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
4730-00-134-4222INTERCHANGEABLE
CLAMP,HOSE
21052
5360-00-265-5845INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
69-645
5935-00-280-2311INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
6240-01-094-8332INTERCHANGEABLE
LAMP,SODIUM
5340-01-476-5534INTERCHANGEABLE
BRACKET,MOUNTING
6752-1

Frequently Asked Questions

What is NSN 4210-01-280-4176?

NSN 4210-01-280-4176 is a Cylinder and Valve Assembly, manufactured by Tyco Fire Products Lp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-280-4176?

NSN 4210-01-280-4176 has 2 cross-referenced part numbers: 67521 (Grinnell Corp Grinnell Fire Protection Systmes Div), 67521 (Tyco Fire Products Lp).

What NSN replaces 4210-01-280-4176?

There are 5 known substitutes for 4210-01-280-4176: 4730-00-134-4222, 5360-00-265-5845, 5935-00-280-2311 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 67521?

Key specifications for 67521: General Characteristics Item Description: USED ON 1301 FIRE SUPPRESSION SYSTEM; FILLED WITH 550 LBS OF HALON; MATERIAL IS CORROSION RESISTANT STEEL,20 IN. DIA.; 60 IN. HIGH; WEIGHS 1000 LBS LBS. 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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