PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-677Valve Assembly,fire

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 4210-00-136-4667 · FSC 4210 · No Item Name Available
Verified by PartsTable
NSN 4210-00-136-4667 — this item is cataloged by the U.S. Government under National Stock Number 4210-00-136-4667. Primary manufacturer part number: 20-677.
Features
  • Valve Assembly,fire — FSC 4210
  • General Characteristics Item Description: CONSISTS OF VALVE,P/N11-681,1; SHELL,P/N10-3219,2; SLEEVE,P/N10-3220,2; TERMINAL,P/N10-3221,2; CORD GRIP,P/N10-565 P2,1;RELIEF VALVE,P/N10-575,1; WIRE MARKER,P/N39-254-E5,1; WIRE MARKER,P/N39-254-E6,1; ELBOW,P/N10-552,1; REDUCING CONNECTOR,P/N10-555,1; PERMATEX NO.1,P/N12-198
  • 1 verified cross-reference
  • Primary manufacturer: Kidde Technologies, Inc Div Kidde Aerospace and Defense
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,fire, cataloged under National Stock Number 4210-00-136-4667, 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 Kidde Technologies, Inc Div Kidde Aerospace and Defense. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4210-00-136-4667
Primary Part Number20-677
Item NameValve Assembly,fire
FSC / FSG4210 / 42 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF VALVE,P/N11-681,1; SHELL,P/N10-3219,2; SLEEVE,P/N10-3220,2; TERMINAL,P/N10-3221,2; CORD GRIP,P/N10-565 P2,1;RELIEF VALVE,P/N10-575,1; WIRE MARKER,P/N39-254-E5,1; WIRE MARKER,P/N39-254-E6,1; ELBOW,P/N10-552,1; REDUCING CONNECTOR,P/N10-555,1; PERMATEX NO.1,P/N12-198
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5133-00-189-9280 INTERCHANGEABLE
Drill,twist
4820-00-343-604020677 INTERCHANGEABLE
Seat,valve
Schneider Electric Systems Usa Inc
5330-00-640-9344 INTERCHANGEABLE
Gasket
1040-00-938-374854A50C98-2 INTERCHANGEABLE
Cover,regulator
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5910-01-025-540820677 INTERCHANGEABLE
Capacitor Leaf
Mirion Technologies (canberra), Inc.
Cross-Reference Index
Part NumberManufacturer
20-677 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
Related Parts
5133-00-189-9280INTERCHANGEABLE
DRILL,TWIST
4820-00-343-6040INTERCHANGEABLE
SEAT,VALVE
20677
5330-00-640-9344INTERCHANGEABLE
GASKET
1040-00-938-3748INTERCHANGEABLE
COVER,REGULATOR
54A50C98-2
5910-01-025-5408INTERCHANGEABLE
CAPACITOR LEAF
20677

Frequently Asked Questions

What is NSN 4210-00-136-4667?

NSN 4210-00-136-4667 is a Valve Assembly,fire, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 4210 (No Item Name Available). Status: active.

What are the part numbers for NSN 4210-00-136-4667?

NSN 4210-00-136-4667 has 1 cross-referenced part number: 20-677 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).

What NSN replaces 4210-00-136-4667?

There are 5 known substitutes for 4210-00-136-4667: 5133-00-189-9280, 4820-00-343-6040, 5330-00-640-9344 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-677?

Key specifications for 20-677: General Characteristics Item Description: CONSISTS OF VALVE,P/N11-681,1; SHELL,P/N10-3219,2; SLEEVE,P/N10-3220,2; TERMINAL,P/N10-3221,2; CORD GRIP,P/N10-565 P2,1;RELIEF VALVE,P/N10-575,1; WIRE MARKER,P/N39-254-E5,1; WIRE MARKER,P/N39-254-E6,1; ELBOW,P/N10-552,1; REDUCING CONNECTOR,P/N10-555,1; PERMATEX NO.1,P/N12-198. 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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