PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203347Plug,air Control Valve

Kidde Technologies, Inc Div Kidde Aerospace and Defense · NSN 4730-00-342-0635 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-342-0635 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-342-0635. Primary manufacturer part number: 203347.
Features
  • Plug,air Control Valve — FSC 4730
  • General Characteristics Item Description: ALUMINUM; 0.750 IN. OD; THREADED 3/4-16-UNF-3A; 3 HOLES 0.062 IN. DIA EQUALLY SPACED A
  • 2 verified cross-references
  • 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 Plug,air Control Valve, cataloged under National Stock Number 4730-00-342-0635, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings 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 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
NSN4730-00-342-0635
Primary Part Number203347
Item NamePlug,air Control Valve
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKidde Technologies, Inc Div Kidde Aerospace and Defense
StatusACTIVE
General Characteristics Item DescriptionALUMINUM; 0.750 IN. OD; THREADED 3/4-16-UNF-3A; 3 HOLES 0.062 IN. DIA EQUALLY SPACED A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2520-00-152-8356 INTERCHANGEABLE
Plate
5320-00-522-4371203347 INTERCHANGEABLE
Rivet,tubular
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1660-00-919-0592203347 INTERCHANGEABLE
Fuse
Honeywell International Inc. Div Aerospace - Torrance
4730-01-154-8134212668 INTERCHANGEABLE
Strainer Element,sediment
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6145-01-531-6751 INTERCHANGEABLE
Cable,special Purpose,electrical
Cross-Reference Index
Part NumberManufacturer
203347 Kidde-Fenwal, Llc (USA)
203347 PRIMARY Kidde Technologies, Inc Div Kidde Aerospace and Defense (USA)
Related Parts
2520-00-152-8356INTERCHANGEABLE
PLATE
5320-00-522-4371INTERCHANGEABLE
RIVET,TUBULAR
203347
1660-00-919-0592INTERCHANGEABLE
FUSE
203347
4730-01-154-8134INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
212668
6145-01-531-6751INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL

Frequently Asked Questions

What is NSN 4730-00-342-0635?

NSN 4730-00-342-0635 is a Plug,air Control Valve, manufactured by Kidde Technologies, Inc Div Kidde Aerospace and Defense, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-342-0635?

NSN 4730-00-342-0635 has 2 cross-referenced part numbers: 203347 (Kidde-Fenwal, Llc), 203347 (Kidde Technologies, Inc Div Kidde Aerospace and Defense).

What NSN replaces 4730-00-342-0635?

There are 5 known substitutes for 4730-00-342-0635: 2520-00-152-8356, 5320-00-522-4371, 1660-00-919-0592 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203347?

Key specifications for 203347: General Characteristics Item Description: ALUMINUM; 0.750 IN. OD; THREADED 3/4-16-UNF-3A; 3 HOLES 0.062 IN. DIA EQUALLY SPACED 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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