PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203441Cap,adjusting

Valcor Engineering Corporation · NSN 1660-00-333-0973 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-333-0973 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-333-0973. Primary manufacturer part number: 203441.
Features
  • Cap,adjusting — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Valcor Engineering Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,adjusting, cataloged under National Stock Number 1660-00-333-0973, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Valcor Engineering Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCap,adjusting
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersValcor Engineering Corporation (CAGE 96487); Kidde-Fenwal, Llc (CAGE 0KDP7)
Technical Specifications
ParameterValue
NSN1660-00-333-0973
Primary Part Number203441
Item NameCap,adjusting
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerValcor Engineering Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5342-00-112-2252 INTERCHANGEABLE
Handle-Catch Sub-Assy
5962-00-350-8424SM-B-525280 INTERCHANGEABLE
Microcircuit,digital
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4140-00-373-483320344-1 INTERCHANGEABLE
Insert,bearing
Rtx Corporation Div Pratt & Whitney
4820-01-056-9640203441 INTERCHANGEABLE
Retainer
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
203441 PRIMARY Valcor Engineering Corporation (USA)
203441 Kidde-Fenwal, Llc (USA)
Related Parts
5342-00-112-2252INTERCHANGEABLE
HANDLE-CATCH SUB-ASSY
5962-00-350-8424INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SM-B-525280
4140-00-373-4833INTERCHANGEABLE
INSERT,BEARING
20344-1
4820-01-056-9640INTERCHANGEABLE
RETAINER
203441

Frequently Asked Questions

What is NSN 1660-00-333-0973?

NSN 1660-00-333-0973 is a Cap,adjusting, manufactured by Valcor Engineering Corporation, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-333-0973?

NSN 1660-00-333-0973 has 2 cross-referenced part numbers: 203441 (Valcor Engineering Corporation), 203441 (Kidde-Fenwal, Llc).

What NSN replaces 1660-00-333-0973?

There are 4 known substitutes for 1660-00-333-0973: 5342-00-112-2252, 5962-00-350-8424, 4140-00-373-4833 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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