PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4120Cap,blow-Off

Tyco Fire Products Lp · NSN 4210-01-058-2164 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-058-2164 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-058-2164. Primary manufacturer part number: 4120.
Features
  • Cap,blow-Off — FSC 4210
  • 2 verified cross-references
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,blow-Off, cataloged under National Stock Number 4210-01-058-2164, 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. This item has 2 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.

Catalog Facts
Item NameCap,blow-Off
FSC / FSG4210 — No Item Name Available (FSG 42)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950); Tyco Fire Products Lp (CAGE 03670)
Technical Specifications
ParameterValue
NSN4210-01-058-2164
Primary Part Number4120
Item NameCap,blow-Off
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-059-8235 INTERCHANGEABLE
Screw,machine
4730-00-072-6244504 INTERCHANGEABLE
Plug,pipe
Lawler Manufacturing Company, Inc.
4210-00-109-4314 INTERCHANGEABLE
Bracket,fire Extinguisher
3120-00-339-3204 INTERCHANGEABLE
Bearing,sleeve
4320-00-359-9270 INTERCHANGEABLE
Impeller
4320-00-542-3198 INTERCHANGEABLE
Ram,hydraulic
4010-00-619-8038 INTERCHANGEABLE
Chain,bead
4730-00-801-9027 INTERCHANGEABLE
Trap,steam
4820-01-006-3623B42XS4 INTERCHANGEABLE
Valve,plug
Swagelok Co
6850-01-026-72394120 INTERCHANGEABLE
Toner and Dispersant Kit
Ricoh Americas Corporation
Cross-Reference Index
Part NumberManufacturer
FFG-1-449-FF-1040-451 Naval Inventory Control Point Mechanicsburg (USA)
4120 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
5305-00-059-8235INTERCHANGEABLE
SCREW,MACHINE
4730-00-072-6244INTERCHANGEABLE
PLUG,PIPE
504
4210-00-109-4314INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
3120-00-339-3204INTERCHANGEABLE
BEARING,SLEEVE
4320-00-359-9270INTERCHANGEABLE
IMPELLER
4320-00-542-3198INTERCHANGEABLE
RAM,HYDRAULIC
4010-00-619-8038INTERCHANGEABLE
CHAIN,BEAD
4730-00-801-9027INTERCHANGEABLE
TRAP,STEAM
4820-01-006-3623INTERCHANGEABLE
VALVE,PLUG
B42XS4
6850-01-026-7239INTERCHANGEABLE
TONER AND DISPERSANT KIT
4120
4820-01-057-2022INTERCHANGEABLE
DISK,RUPTURABLE
428363
5340-01-086-3502INTERCHANGEABLE
PLUG,EXPANSION
41-20

Frequently Asked Questions

What is NSN 4210-01-058-2164?

NSN 4210-01-058-2164 is a Cap,blow-Off, manufactured by Tyco Fire Products Lp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-058-2164?

NSN 4210-01-058-2164 has 2 cross-referenced part numbers: FFG-1-449-FF-1040-451 (Naval Inventory Control Point Mechanicsburg), 4120 (Tyco Fire Products Lp).

What NSN replaces 4210-01-058-2164?

There are 12 known substitutes for 4210-01-058-2164: 5305-00-059-8235, 4730-00-072-6244, 4210-00-109-4314 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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