The Ring Assembly,reducer, cataloged under National Stock Number 2520-00-784-1713, is classified within Federal Supply Class 2520 (Vehicular Power Transmission 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 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-784-1713 |
| Primary Part Number | 8351112 |
| Item Name | Ring Assembly,reducer |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL FORGING,20.215 IN. DIA M 20.248 IN. P,DRILL THRU FOR REAMING COUNTER DRILL 0.406 DIA 40-43 DEEP,REAM 0.3736 IN. M 0.3746 IN. P DIA,1.750 IN. M 1.780 IN. P DEEP,12 HOLES MARKED Y EQUALLY SPACED AS SHOWN ON THE BASIS OF 15 HOLES TO BE ON CENTER OF OUTER CAM LOBES WITHIN 0.010 PRESS IN 12 DOWELS TO BOTTOM,16.235 IN. M 16.238 IN. P DIA IS WHERE HOLES ARE AROUND RING IN |
| 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 |
|---|---|
| 8351112 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2520007841713 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2520-00-784-1713 is a Ring Assembly,reducer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-784-1713 has 1 manufacturer part number on file: 8351112 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8351112: General Characteristics Item Description: STEEL FORGING,20.215 IN. DIA M 20.248 IN. P,DRILL THRU FOR REAMING COUNTER DRILL 0.406 DIA 40-43 DEEP,REAM 0.3736 IN. M 0.3746 IN. P DIA,1.750 IN. M 1.780 IN. P DEEP,12 HOLES MARKED Y EQUALLY SPACED AS SHOWN ON THE BASIS OF 15 HOLES TO BE ON CENTER OF OUTER CAM LOBES WITHIN 0.010 PRESS IN 12 DOWELS TO BOTTOM,16.235 IN. M 16.238 IN. P DIA IS WHERE HOLES ARE AROUND RING IN; End Item Identification: 2520-00-784-1713. 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.