The Shaft Bottom Roller, cataloged under National Stock Number 2520-00-740-9643, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Volvo Construction Equipment North America, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2520-00-740-9643 |
| Primary Part Number | HCF475A |
| Item Name | Shaft Bottom Roller |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Volvo Construction Equipment North America, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 1 SHAFT FSCM 19207 P/N 8758738;1 PLATE FSCM 19207 P/N 8758739 |
| 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 |
|---|---|
| HCF475A PRIMARY | Volvo Construction Equipment North America, Llc (USA) |
| 7409643 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| HCF475 PRIMARY | Volvo Construction Equipment North America, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1676N2 | 5/9 Secondary reference Diamond Reo Truck Co |
| HCF475A | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
| 915579 | 5/9 Secondary reference Sasco Inc Canadian Div |
| KC9319 | 5/9 Secondary reference Diamond Reo Truck Co |
| HCF475 | 5/9 Secondary reference Vme Americas Inc Sub of Vme Group N V |
NSN 2520-00-740-9643 is a Shaft Bottom Roller, manufactured by Volvo Construction Equipment North America, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-740-9643 has 3 manufacturer part numbers on file: HCF475A (Volvo Construction Equipment North America, Llc), 7409643 (U S Army Tank Automotive Command Amsta-Im-Mm), HCF475 (Volvo Construction Equipment North America, Llc).
Key specifications for HCF475A: General Characteristics Item Description: 1 SHAFT FSCM 19207 P/N 8758738;1 PLATE FSCM 19207 P/N 8758739. 1 specification is 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.