PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50422Brake Drum

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 2530-00-340-3116 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-340-3116 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-340-3116. Primary manufacturer part number: 50422.
Features
  • Brake Drum — FSC 2530
  • Mounting Hole Quantity: 10
  • Adjustment Hole: NOT INCLUDED
  • Material: STEEL OVERALL
  • Braking Surface Diameter: 11.995 INCHES NOMINAL IN
  • Braking Surface Location: INTERNAL
  • Braking Surface Width: 4.844 INCHES NOMINAL IN
  • Cooling Fin: NOT INCLUDED
Applications
  • Applications requiring Steel Overall construction
General Description

The Brake Drum, cataloged under National Stock Number 2530-00-340-3116, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN2530-00-340-3116
Primary Part Number50422
Item NameBrake Drum
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusACTIVE
Mounting Hole Quantity10
Adjustment HoleNOT INCLUDED
MaterialSTEEL OVERALL
Braking Surface Diameter11.995 INCHES NOMINAL IN
Braking Surface LocationINTERNAL
Braking Surface Width4.844 INCHES NOMINAL IN
Cooling FinNOT INCLUDED
Inspection HoleNOT INCLUDED
Oil Drain HoleNOT INCLUDED
Balancing PadNOT INCLUDED
Center Hole Diameter6.250 INCHES NOMINAL IN
Mounting Hole SpacingEQUALLY SPACED ON 10.375 IN. BOLT CIRCLE IN
Overall Outside Diameter14.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5815-00-356-3321SCB70043 INTERCHANGEABLE
Lever
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2610-01-541-497350422 INTERCHANGEABLE
Tire,pneumatic,vehicular
Cooper Tire & Rubber Company Dba Cooper
2590-01-587-386950-422 INTERCHANGEABLE
Bracket,vehicular Components
Combat Medical Systems Llc
5950-01-597-255650422 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
50422 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
6550422 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5815-00-356-3321INTERCHANGEABLE
LEVER
SCB70043
2610-01-541-4973INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
50422
2590-01-587-3869INTERCHANGEABLE
BRACKET,VEHICULAR COMPONENTS
50-422
5950-01-597-2556INTERCHANGEABLE
TRANSFORMER,POWER
50422

Frequently Asked Questions

What is NSN 2530-00-340-3116?

NSN 2530-00-340-3116 is a Brake Drum, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-340-3116?

NSN 2530-00-340-3116 has 2 cross-referenced part numbers: 50422 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 6550422 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 2530-00-340-3116?

There are 4 known substitutes for 2530-00-340-3116: 5815-00-356-3321, 2610-01-541-4973, 2590-01-587-3869 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50422?

Key specifications for 50422: Mounting Hole Quantity: 10; Adjustment Hole: NOT INCLUDED; Material: STEEL OVERALL; Braking Surface Diameter: 11.995 INCHES NOMINAL IN. 14 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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