The Wheel Assembly,pneumatic Tire, cataloged under National Stock Number 2530-00-774-0870, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-00-774-0870 |
| Primary Part Number | 7740870 |
| 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 |
| FSC Application Data | TRAILER |
| Design Form | DISK |
| Design Type | INTEGRAL RIM |
| Valve Hole Shape | SLOTTED |
| Disk Type | SINGLE |
| Lightening Hole Quantity | 6 |
| Mounting Hole Diameter | 1.188 INCHES NOMINAL IN |
| Groove Depth | 1.500 INCHES NOMINAL IN |
| Tire Rim Nominal Diameter | 20.000 INCHES IN |
| Effective Width | 6.750 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 11.250 INCHES NOMINAL IN |
| Pilot Hole Diameter | 8.725 INCHES MINIMUM AND 8.729 INCHES MAXIMUM IN |
| Mounting Type for Which Designed | SINGLE TIRE |
| Offset Distance From Rim Centerline to Outside Wheel Mounting Face | 6.125 INCHES MINIMUM AND 6.250 INCHES MAXIMUM IN |
| Mounting Face Type | CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 44470D1 | Budd Co the (USA) |
| 7740870 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 44470D1 | 5/9 Secondary reference Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products |
| 11C7072 | 5/2 Secondary reference U.S. Government activity |
| 11C7072 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 8408Y | 5/2 Secondary reference U.S. Government activity |
| 11C7072 | 5/9 Secondary reference Ford Motor Company |
NSN 2530-00-774-0870 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 2530-00-774-0870 has 2 manufacturer part numbers on file: 44470D1 (Budd Co the), 7740870 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7740870: Mounting Hole Quantity: 10; Hub Characteristic: DEMOUNTABLE; FSC Application Data: TRAILER; Design Form: DISK. 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.
NSN 2530-00-774-0870 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.