The Ring,support,transmission, cataloged under National Stock Number 2520-01-365-8979, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Nuttall Gear L L C. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Ring,support,transmission |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Nuttall Gear L L C (CAGE 4W944) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-365-8979 |
| Primary Part Number | A101522H07 |
| Item Name | Ring,support,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Nuttall Gear L L C |
| 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 |
|---|---|
| D401941 ITEM 31 | Nuttall Gear L L C (USA) |
| A101522H07 PRIMARY | Nuttall Gear L L C (USA) |
| Reference | Meaning |
|---|---|
| D401941 | D/9 Drawing number reference only Nuttall Gear L L C |
NSN 2520-01-365-8979 is a Ring,support,transmission, manufactured by Nuttall Gear L L C, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-365-8979 has 2 manufacturer part numbers on file: D401941 ITEM 31 (Nuttall Gear L L C), A101522H07 (Nuttall Gear L L C).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-366-3308, 3020-01-367-0177. 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.