PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50159-2Cover,back

Castle Industries Inc. of California Dba M.c. Gill · NSN 1680-01-049-0196 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-049-0196 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-049-0196. Primary manufacturer part number: 50159-2.
Features
  • Cover,back — FSC 1680
  • 1 verified cross-reference
  • Primary manufacturer: Castle Industries Inc. of California Dba M.c. Gill
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,back, cataloged under National Stock Number 1680-01-049-0196, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Castle Industries Inc. of California Dba M.c. Gill. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1680-01-049-0196
Primary Part Number50159-2
Item NameCover,back
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerCastle Industries Inc. of California Dba M.c. Gill
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5340-00-054-1431 INTERCHANGEABLE
Plug,expansion
1680-00-339-724450-1592 INTERCHANGEABLE
Curtain,window
The Boeing Company Div Defense
5905-00-751-2993TM1-4-1500HM INTERCHANGEABLE
Resistor,thermal
Raytheon Company Dba Raytheon
2520-01-548-2500 INTERCHANGEABLE
Clutch Pack
Cross-Reference Index
Part NumberManufacturer
50159-2 Castle Industries Inc. of California Dba M.c. Gill (USA)
Related Parts
5340-00-054-1431INTERCHANGEABLE
PLUG,EXPANSION
1680-00-339-7244INTERCHANGEABLE
CURTAIN,WINDOW
50-1592
5905-00-751-2993INTERCHANGEABLE
RESISTOR,THERMAL
TM1-4-1500HM
2520-01-548-2500INTERCHANGEABLE
CLUTCH PACK

Frequently Asked Questions

What is NSN 1680-01-049-0196?

NSN 1680-01-049-0196 is a Cover,back, manufactured by Castle Industries Inc. of California Dba M.c. Gill, classified under FSC 1680 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1680-01-049-0196?

NSN 1680-01-049-0196 has 1 cross-referenced part number: 50159-2 (Castle Industries Inc. of California Dba M.c. Gill).

What NSN replaces 1680-01-049-0196?

There are 4 known substitutes for 1680-01-049-0196: 5340-00-054-1431, 1680-00-339-7244, 5905-00-751-2993 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50159-2?

Key specifications for 50159-2: End Item Identification: ACFT E-3A A. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1680-01-049-0196 still in active supply?

NSN 1680-01-049-0196 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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