PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

243801Cap,valve

Kidde-Fenwal, Llc · NSN 1650-00-083-1321 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-083-1321 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-083-1321. Primary manufacturer part number: 243801.
Features
  • Cap,valve — FSC 1650
  • Height: 0.220 INCHES NOMINAL IN
  • Material: ALUMINUM
  • Outside Diameter: 1.375 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Kidde-Fenwal, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum construction
General Description

The Cap,valve, cataloged under National Stock Number 1650-00-083-1321, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Kidde-Fenwal, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-083-1321
Primary Part Number243801
Item NameCap,valve
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerKidde-Fenwal, Llc
StatusACTIVE
Height0.220 INCHES NOMINAL IN
MaterialALUMINUM
Outside Diameter1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-108-9471107KSZZABEC1MOBIL28 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6110-01-288-757424380 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
5995-01-356-8128 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5995-01-356-8129 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5995-01-356-8130 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5995-01-356-8131 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
24380 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
243801 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
K243801 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
243801 PRIMARY Kidde-Fenwal, Llc (USA)
Related Parts
3110-00-108-9471INTERCHANGEABLE
BEARING,BALL,ANNULAR
107KSZZABEC1MOBIL28
6110-01-288-7574INTERCHANGEABLE
STARTER,MOTOR
24380
5995-01-356-8128INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5995-01-356-8129INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5995-01-356-8130INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5995-01-356-8131INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 1650-00-083-1321?

NSN 1650-00-083-1321 is a Cap,valve, manufactured by Kidde-Fenwal, Llc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-083-1321?

NSN 1650-00-083-1321 has 4 cross-referenced part numbers: 24380 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 243801 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), K243801 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 243801 (Kidde-Fenwal, Llc).

What NSN replaces 1650-00-083-1321?

There are 6 known substitutes for 1650-00-083-1321: 3110-00-108-9471, 6110-01-288-7574, 5995-01-356-8128 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 243801?

Key specifications for 243801: Height: 0.220 INCHES NOMINAL IN; Material: ALUMINUM; Outside Diameter: 1.375 INCHES NOMINAL IN. 3 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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