PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

186610Releasing Device,automatic

Automatic Sprinkler Corp of America Div of Figgie Intl Inc · NSN 4210-01-553-5046 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-01-553-5046 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-553-5046. Primary manufacturer part number: 186610.
Features
  • Releasing Device,automatic — FSC 4210
  • General Characteristics Item Description: PRESSURE SETTING .500 IN. X 1.250 IN.; VENT RATING 40; MECH LOAD 50 LBS.; RELEASE TYPE 81-100A; CAST IRON HOUSING; RATE-OF-RISE RELEASE IS A PNEUMATIC MECHANICAL DEVISE THAT CONVERTS PNEUMATIC PRESSURE INTO MECHANICAL MOTION; DELUGE VALVE OPERATED TYPE; WITH SINGLE ACTING DIAPHRAGM A
  • 1 verified cross-reference
  • Primary manufacturer: Automatic Sprinkler Corp of America Div of Figgie Intl Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Releasing Device,automatic, cataloged under National Stock Number 4210-01-553-5046, 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 Automatic Sprinkler Corp of America Div of Figgie Intl Inc. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-01-553-5046
Primary Part Number186610
Item NameReleasing Device,automatic
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerAutomatic Sprinkler Corp of America Div of Figgie Intl Inc
StatusACTIVE
General Characteristics Item DescriptionPRESSURE SETTING .500 IN. X 1.250 IN.; VENT RATING 40; MECH LOAD 50 LBS.; RELEASE TYPE 81-100A; CAST IRON HOUSING; RATE-OF-RISE RELEASE IS A PNEUMATIC MECHANICAL DEVISE THAT CONVERTS PNEUMATIC PRESSURE INTO MECHANICAL MOTION; DELUGE VALVE OPERATED TYPE; WITH SINGLE ACTING DIAPHRAGM A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-291-3077MS29513-238 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5360-00-680-4779 INTERCHANGEABLE
Spring,helical,compression
6145-00-807-5231 INTERCHANGEABLE
Wire,electrical
5962-00-857-6145 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
186610 Automatic Sprinkler Corp of America Div of Figgie Intl Inc (USA)
Related Parts
5331-00-291-3077INTERCHANGEABLE
O-RING
MS29513-238
5360-00-680-4779INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6145-00-807-5231INTERCHANGEABLE
WIRE,ELECTRICAL
5962-00-857-6145INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 4210-01-553-5046?

NSN 4210-01-553-5046 is a Releasing Device,automatic, manufactured by Automatic Sprinkler Corp of America Div of Figgie Intl Inc, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-01-553-5046?

NSN 4210-01-553-5046 has 1 cross-referenced part number: 186610 (Automatic Sprinkler Corp of America Div of Figgie Intl Inc).

What NSN replaces 4210-01-553-5046?

There are 4 known substitutes for 4210-01-553-5046: 5331-00-291-3077, 5360-00-680-4779, 6145-00-807-5231 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 186610?

Key specifications for 186610: General Characteristics Item Description: PRESSURE SETTING .500 IN. X 1.250 IN.; VENT RATING 40; MECH LOAD 50 LBS.; RELEASE TYPE 81-100A; CAST IRON HOUSING; RATE-OF-RISE RELEASE IS A PNEUMATIC MECHANICAL DEVISE THAT CONVERTS PNEUMATIC PRESSURE INTO MECHANICAL MOTION; DELUGE VALVE OPERATED TYPE; WITH SINGLE ACTING DIAPHRAGM A. 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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