The Transmission Assemb, cataloged under National Stock Number 2520-00-352-5997, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Industrial Products, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Transmission Assemb |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Meritor Industrial Products, Llc (CAGE 3D6E9) |
| Parameter | Value |
|---|---|
| NSN | 2520-00-352-5997 |
| Primary Part Number | T99 |
| Item Name | Transmission Assemb |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Industrial Products, 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 |
|---|---|
| T99 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| T99 | 5/9 Secondary reference Meritor Heavy Vehicle Systems, Llc |
| F401X | 5/9 Secondary reference Koehring Co Lorain Div |
| F401X | 3/9 Design control — primary reference Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co |
NSN 2520-00-352-5997 is a Transmission Assemb, manufactured by Meritor Industrial Products, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-352-5997 has 1 manufacturer part number on file: T99 (Meritor Industrial Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-820-6653, 5640-01-693-9147. 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.