PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1E421-101Receiver,radio

Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division · NSN 5821-01-542-7163 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-01-542-7163 — this item is cataloged by the U.S. Government under National Stock Number 5821-01-542-7163. Primary manufacturer part number: 1E421-101.
Features
  • Receiver,radio — FSC 5821
  • 3 verified cross-references
  • Primary manufacturer: Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Receiver,radio, cataloged under National Stock Number 5821-01-542-7163, is classified within Federal Supply Class 5821 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5821-01-542-7163
Primary Part Number1E421-101
Item NameReceiver,radio
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerKratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-344-4022050479 ITEM 20 INTERCHANGEABLE
Disk,valve
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5340-01-531-2652108583 INTERCHANGEABLE
Plate,mounting
Hamilton Jet, Inc.
Cross-Reference Index
Part NumberManufacturer
1E421-101 PRIMARY Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division (USA)
108583 Meggitt Defense Systems, Inc Dba Cartwright Electronics Div Cartwright Electronics (USA)
108583 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
Related Parts
4820-01-344-4022INTERCHANGEABLE
DISK,VALVE
050479 ITEM 20
5340-01-531-2652INTERCHANGEABLE
PLATE,MOUNTING
108583

Frequently Asked Questions

What is NSN 5821-01-542-7163?

NSN 5821-01-542-7163 is a Receiver,radio, manufactured by Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division, classified under FSC 5821 (No Item Name Available). Status: active.

What are the part numbers for NSN 5821-01-542-7163?

NSN 5821-01-542-7163 has 3 cross-referenced part numbers: 1E421-101 (Kratos Unmanned Aerial Systems, Inc Div Unmanned Systems Division), 108583 (Meggitt Defense Systems, Inc Dba Cartwright Electronics Div Cartwright Electronics), 108583 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).

What NSN replaces 5821-01-542-7163?

There are 2 known substitutes for 5821-01-542-7163: 4820-01-344-4022, 5340-01-531-2652. Verify interchangeability with system specifications before substitution.

What are the specifications of 1E421-101?

Key specifications for 1E421-101: End Item Identification: BQM-167A 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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