PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42743Release,valve

Tyco Fire Products Lp · NSN 4210-01-273-3694 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-273-3694 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-273-3694. Primary manufacturer part number: 42743.
Features
  • Release,valve — FSC 4210
  • General Characteristics Item Description: SPRING-LOADED; ACTUATED BY PULL-CABLE; HALON 1301 SERVICE; MODEL ER-2 USED WITH AP-8 VALVE
  • 1 verified cross-reference
  • Primary manufacturer: Tyco Fire Products Lp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Release,valve, cataloged under National Stock Number 4210-01-273-3694, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-273-3694
Primary Part Number42743
Item NameRelease,valve
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
General Characteristics Item DescriptionSPRING-LOADED; ACTUATED BY PULL-CABLE; HALON 1301 SERVICE; MODEL ER-2 USED WITH AP-8 VALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-01-178-240042743 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
2910-01-276-762225115505 INTERCHANGEABLE
Pump,fuel,cam Actuated
General Motors Llc Dba General Motors Llc
5950-01-286-3597310363-1 INTERCHANGEABLE
Reactor-Transformer
Raytheon Company
5950-01-328-58591700AS894 INTERCHANGEABLE
Coil,radio Frequency
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5315-01-336-936042743 INTERCHANGEABLE
Key,woodruff
Ke Marine Inc Dba Ke Marine Inc
4220-01-591-271242743 INTERCHANGEABLE
Valve,breathing Apparatus
Aqualung Usa, Inc
5310-01-727-623042743 INTERCHANGEABLE
Washer,concave
Te-Co Manufacturing Llc Dba Te-Co Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
42743 PRIMARY Tyco Fire Products Lp (USA)
Related Parts
5962-01-178-2400INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42743
2910-01-276-7622INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
25115505
5950-01-286-3597INTERCHANGEABLE
REACTOR-TRANSFORMER
310363-1
5950-01-328-5859INTERCHANGEABLE
COIL,RADIO FREQUENCY
1700AS894
5315-01-336-9360INTERCHANGEABLE
KEY,WOODRUFF
42743
4220-01-591-2712INTERCHANGEABLE
VALVE,BREATHING APPARATUS
42743
5310-01-727-6230INTERCHANGEABLE
WASHER,CONCAVE
42743

Frequently Asked Questions

What is NSN 4210-01-273-3694?

NSN 4210-01-273-3694 is a Release,valve, manufactured by Tyco Fire Products Lp, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-273-3694?

NSN 4210-01-273-3694 has 1 cross-referenced part number: 42743 (Tyco Fire Products Lp).

What NSN replaces 4210-01-273-3694?

There are 7 known substitutes for 4210-01-273-3694: 5962-01-178-2400, 2910-01-276-7622, 5950-01-286-3597 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42743?

Key specifications for 42743: General Characteristics Item Description: SPRING-LOADED; ACTUATED BY PULL-CABLE; HALON 1301 SERVICE; MODEL ER-2 USED WITH AP-8 VALVE. 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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