PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78299Brake Drum

Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products · NSN 2530-00-250-0865 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-250-0865 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-250-0865. Primary manufacturer part number: 78299.
Features
  • Brake Drum — FSC 2530
  • Center Hole Diameter: 4.750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Braking Surface Diameter: 12.125 INCHES NOMINAL IN
  • Inspection Hole: NOT INCLUDED
  • Oil Drain Hole: NOT INCLUDED
  • Balancing Pad: NOT INCLUDED
  • Braking Surface Location: INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Brake Drum, cataloged under National Stock Number 2530-00-250-0865, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2530-00-250-0865
Primary Part Number78299
Item NameBrake Drum
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerAlliedsignal Inc Alliedsignal Braking Systems-Wheel End Products
StatusACTIVE
Center Hole Diameter4.750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Braking Surface Diameter12.125 INCHES NOMINAL IN
Inspection HoleNOT INCLUDED
Oil Drain HoleNOT INCLUDED
Balancing PadNOT INCLUDED
Braking Surface LocationINTERNAL
Braking Surface Width2.250 INCHES NOMINAL IN
Cooling FinNOT INCLUDED
Adjustment HoleNOT INCLUDED
Overall Outside Diameter14.000 INCHES NOMINAL IN
Mounting Hole Diameter0.600 INCHES NOMINAL IN
Mounting Hole Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-169-504578299 INTERCHANGEABLE
Shaft,straight
L3harris Technologies, Inc Div Space & Airborne Systems
2530-01-215-193178299 INTERCHANGEABLE
Brake,multiple Disk
Ausco Products Inc
4730-01-662-787778299 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Textron Ground Support Equipment Inc. Div Textron Gse
Cross-Reference Index
Part NumberManufacturer
78299 Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products (USA)
1921758 Chrysler Corp Hamtramck Assembly (USA)
Related Parts
3040-00-169-5045INTERCHANGEABLE
SHAFT,STRAIGHT
78299
2530-01-215-1931INTERCHANGEABLE
BRAKE,MULTIPLE DISK
78299
4730-01-662-7877INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
78299

Frequently Asked Questions

What is NSN 2530-00-250-0865?

NSN 2530-00-250-0865 is a Brake Drum, manufactured by Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products, classified under FSC 2530 (No Item Name Available). Status: active.

What are the part numbers for NSN 2530-00-250-0865?

NSN 2530-00-250-0865 has 2 cross-referenced part numbers: 78299 (Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products), 1921758 (Chrysler Corp Hamtramck Assembly).

What NSN replaces 2530-00-250-0865?

There are 3 known substitutes for 2530-00-250-0865: 3040-00-169-5045, 2530-01-215-1931, 4730-01-662-7877. Verify interchangeability with system specifications before substitution.

What are the specifications of 78299?

Key specifications for 78299: Center Hole Diameter: 4.750 INCHES NOMINAL IN; Overall Width: 3.3400 INCHES NOMINAL IN; Material: STEEL OVERALL; Braking Surface Diameter: 12.125 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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