The Wheel Assembly,pneumatic Tire, cataloged under National Stock Number 2530-00-278-2249, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-278-2249 |
| Primary Part Number | 7355439 |
| Item Name | Wheel Assembly,pneumatic Tire |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 10 |
| Hub Characteristic | DEMOUNTABLE |
| Design Form | DISK |
| Design Type | INTEGRAL RIM |
| Valve Hole Shape | ROUND |
| Disk Type | SINGLE |
| Lightening Hole Quantity | 6 |
| Mounting Hole Diameter | 0.625 INCHES NOMINAL IN |
| Groove Depth | 1.000 INCHES NOMINAL IN |
| Tire Rim Nominal Diameter | 24.000 INCHES IN |
| Effective Width | 10.000 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 13.184 INCHES MINIMUM AND 13.194 INCHES MAXIMUM IN |
| Pilot Hole Diameter | 10.669 INCHES MINIMUM AND 10.673 INCHES MAXIMUM IN |
| Mounting Type for Which Designed | SINGLE TIRE |
| Hole Location | IN CENTER OF RIM |
| Offset Distance From Rim Centerline to Outside Wheel Mounting Face | 8.875 INCHES NOMINAL IN |
| Mounting Face Type | CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7355439 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 66620B8 | 5/9 Secondary reference Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products |
| 13QJ41 | 5/9 Secondary reference Mack Trucks Inc Parts Opn |
| 66620-8 | 5/9 Secondary reference Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products |
NSN 2530-00-278-2249 is a Wheel Assembly,pneumatic Tire, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-00-278-2249 has 1 manufacturer part number on file: 7355439 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7355439: Mounting Hole Quantity: 10; Hub Characteristic: DEMOUNTABLE; Design Form: DISK; Design Type: INTEGRAL RIM. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.