PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB441Disk Brake,winch

Thern Inc · NSN 1730-01-124-8120 · FSC 1730 · No Item Name Available
Verified by PartsTable
NSN 1730-01-124-8120 — this item is cataloged by the U.S. Government under National Stock Number 1730-01-124-8120. Primary manufacturer part number: MB441.
Features
  • Disk Brake,winch — FSC 1730
  • 3 verified cross-references
  • Primary manufacturer: Thern Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Disk Brake,winch, cataloged under National Stock Number 1730-01-124-8120, is classified within Federal Supply Class 1730 (No Item Name Available) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The primary manufacturer of record is Thern Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1730-01-124-8120
Primary Part NumberMB441
Item NameDisk Brake,winch
FSC / FSG1730 / 17 — No Item Name Available
ManufacturerThern Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5925-00-810-472910-30099 INTERCHANGEABLE
Circuit Breaker
The Boeing Company Div Defense
5998-01-468-2615B441 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corporation Div Rms - Manassas
4210-01-611-8993B441 INTERCHANGEABLE
Extinguisher,fire
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
E441 Thern Inc (USA)
MB441 PRIMARY Thern Inc (USA)
B441 Thern Inc (USA)
Related Parts
5925-00-810-4729INTERCHANGEABLE
CIRCUIT BREAKER
10-30099
5998-01-468-2615INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B441
4210-01-611-8993INTERCHANGEABLE
EXTINGUISHER,FIRE
B441

Frequently Asked Questions

What is NSN 1730-01-124-8120?

NSN 1730-01-124-8120 is a Disk Brake,winch, manufactured by Thern Inc, classified under FSC 1730 (No Item Name Available). Status: active.

What are the part numbers for NSN 1730-01-124-8120?

NSN 1730-01-124-8120 has 3 cross-referenced part numbers: E441 (Thern Inc), MB441 (Thern Inc), B441 (Thern Inc).

What NSN replaces 1730-01-124-8120?

There are 3 known substitutes for 1730-01-124-8120: 5925-00-810-4729, 5998-01-468-2615, 4210-01-611-8993. Verify interchangeability with system specifications before substitution.

What are the specifications of MB441?

Key specifications for MB441: End Item Identification: DRAGCHUTE STAND P/N 7841530;U/O B52 ACFT. 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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