The Brake Drum, cataloged under National Stock Number 2530-00-426-9491, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Erie Malleable Iron Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-426-9491 |
| Primary Part Number | 2703-4 |
| Item Name | Brake Drum |
| FSC / FSG | 2530 / 25 — No Item Name Available |
| Manufacturer | Erie Malleable Iron Co |
| Status | ACTIVE |
| Balancing Pad | NOT INCLUDED |
| Mounting Hole Diameter | 0.656 INCHES NOMINAL IN |
| Braking Surface Diameter | 12.250 INCHES MINIMUM AND 12.255 INCHES MAXIMUM IN |
| Material | IRON CAST OVERALL |
| Cooling Fin | NOT INCLUDED |
| Braking Surface Width | 5.625 INCHES NOMINAL IN |
| Adjustment Hole | NOT INCLUDED |
| Oil Drain Hole | NOT INCLUDED |
| Braking Surface Location | INTERNAL |
| Inspection Hole | NOT INCLUDED |
| Center Hole Diameter | 7.000 INCHES MINIMUM AND 7.004 INCHES MAXIMUM IN |
| Mounting Hole Spacing | EQUALLY SPACED ON 8.245 IN. MIN,8.255 IN. MAX BOLT CIRCLE IN |
| Overall Outside Diameter | 14.000 INCHES NOMINAL IN |
| Mounting Hole Quantity | 6 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2703-4 PRIMARY | Erie Malleable Iron Co (USA) |
NSN 2530-00-426-9491 is a Brake Drum, manufactured by Erie Malleable Iron Co, classified under FSC 2530 (No Item Name Available). Status: active.
NSN 2530-00-426-9491 has 1 cross-referenced part number: 2703-4 (Erie Malleable Iron Co).
There are 9 known substitutes for 2530-00-426-9491: 5950-00-086-8869, 5935-00-243-1643, 4520-00-270-4517 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2703-4: Balancing Pad: NOT INCLUDED; Mounting Hole Diameter: 0.656 INCHES NOMINAL IN; Braking Surface Diameter: 12.250 INCHES MINIMUM AND 12.255 INCHES MAXIMUM IN; Material: IRON CAST OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.