The Sleeve Over Running, cataloged under National Stock Number 2520-00-737-1997, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Sleeve Over Running |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Meritor Heavy Vehicle Systems, Llc (CAGE 78500) |
| Parameter | Value |
|---|---|
| NSN | 2520-00-737-1997 |
| Primary Part Number | 1874E57 |
| Item Name | Sleeve Over Running |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 7371997 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 1874E57 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 832T5 | 5/9 Secondary reference Diamond Reo Truck Co |
| 913679 | 5/9 Secondary reference Sasco Inc Canadian Div |
NSN 2520-00-737-1997 is a Sleeve Over Running, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-737-1997 has 2 manufacturer part numbers on file: 7371997 (U S Army Tank Automotive Command Amsta-Im-Mm), 1874E57 (Meritor Heavy Vehicle Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-651-0460. Verify interchangeability with system specifications before substitution.
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.