PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20501Cap,coupling

Lucas Aerospace Power Equipment Corporation · NSN 1680-00-242-1129 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-242-1129 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-242-1129. Primary manufacturer part number: 20501.
Features
  • Cap,coupling — FSC 1680
  • 4 verified cross-references
  • Primary manufacturer: Lucas Aerospace Power Equipment Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,coupling, cataloged under National Stock Number 1680-00-242-1129, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lucas Aerospace Power Equipment Corporation. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-242-1129
Primary Part Number20501
Item NameCap,coupling
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerLucas Aerospace Power Equipment Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3431-00-102-231545V42 INTERCHANGEABLE
Collet Body,welding Torch
Esab Group, Inc., the Dba Esab Welding and Cutting Products Div Esab Welding and Cuttng
4320-00-375-2878 INTERCHANGEABLE
Eccentric,shaft,pum
3455-00-395-000115154 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
3120-00-737-1171637008 INTERCHANGEABLE
Bearing Half,sleeve
Am General Llc
5895-00-991-8998 INTERCHANGEABLE
Parts Kit,dispenser
5975-01-066-64912123 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
5306-01-109-13262050-1 INTERCHANGEABLE
Bolt,eye
Buckeye Forge Inc
4820-01-186-87232050-1 INTERCHANGEABLE
Cartridge,relief Valve
Droitcour Co
5340-01-314-8107B205010 INTERCHANGEABLE
Boot,dust and Moisture Seal
Haldex Brake Products Corporation
6510-01-643-802520501 INTERCHANGEABLE
Dressing,barrier
Smith & Nephew, Inc. Div Advanced Wound Management
Cross-Reference Index
Part NumberManufacturer
20501 Lucas Aerospace Power Equipment Corporation (USA)
32-64016-11 The Boeing Company Div Defense (USA)
20501 Whippany Actuation Systems, Llc (USA)
20501 Safran Power Usa Llc (USA)
Related Parts
3431-00-102-2315INTERCHANGEABLE
COLLET BODY,WELDING TORCH
45V42
4320-00-375-2878INTERCHANGEABLE
ECCENTRIC,SHAFT,PUM
3455-00-395-0001INTERCHANGEABLE
CUTTER,MILLING,END
15154
3120-00-737-1171INTERCHANGEABLE
BEARING HALF,SLEEVE
637008
5895-00-991-8998INTERCHANGEABLE
PARTS KIT,DISPENSER
5975-01-066-6491INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2123
5306-01-109-1326INTERCHANGEABLE
BOLT,EYE
2050-1
4820-01-186-8723INTERCHANGEABLE
CARTRIDGE,RELIEF VALVE
2050-1
5340-01-314-8107INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
B205010
6510-01-643-8025INTERCHANGEABLE
DRESSING,BARRIER
20501
6515-01-649-9420INTERCHANGEABLE
MOUTHPIECE,SPIROMETER
2050-1

Frequently Asked Questions

What is NSN 1680-00-242-1129?

NSN 1680-00-242-1129 is a Cap,coupling, manufactured by Lucas Aerospace Power Equipment Corporation, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-242-1129?

NSN 1680-00-242-1129 has 4 cross-referenced part numbers: 20501 (Lucas Aerospace Power Equipment Corporation), 32-64016-11 (The Boeing Company Div Defense), 20501 (Whippany Actuation Systems, Llc), 20501 (Safran Power Usa Llc).

What NSN replaces 1680-00-242-1129?

There are 11 known substitutes for 1680-00-242-1129: 3431-00-102-2315, 4320-00-375-2878, 3455-00-395-0001 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20501?

Key specifications for 20501: End Item Identification: CONVAIR 580. 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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