The Ring Assembly,reducer, cataloged under National Stock Number 2520-00-784-1715, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-784-1715 |
| Primary Part Number | 8351095 |
| 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,20.245 IN. DIA M 20.248 IN. P,1.540 IN. M 1.660 IN. P WINNER DIA 16.235 IN. M DIA 16.238 IN. P,DRILL THRU FOR REAMING COUNTER DRILL0.4062 DIA 40-43 DEEP,REAM 0.3736 M 0.3746 IN. P DIA,1.750 M 1.780 P IN. DEEP,12 HOLES MARKED Y EQUALLY SPACED AS SHOWN ON THE BASIS OF 15 HOLES TO BE ON CENTER OF OUTER CAM LOBES WITHIN0.010,PRESS IN 12 DOWELS 7709332 TO BOTTOM,DRILL FOR REAMING THRU LOCATIONTO BE WITHIN 0.010 OF OUTER CAM LOBE,COUNTER DRILL 0.4068 DIA 40-49 DEEP REAM 0.3736 IN. M 0.3740 IN. P DIA THRU,PRESS IN DOWEL 7711163 FLUSH TO 0.020 BELOW SURFACE X 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 |
|---|---|
| 8351095 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-00-784-1715 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 2520-00-784-1715 has 1 manufacturer part number on file: 8351095 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8351095: General Characteristics Item Description: STEEL FORGING,20.245 IN. DIA M 20.248 IN. P,1.540 IN. M 1.660 IN. P WINNER DIA 16.235 IN. M DIA 16.238 IN. P,DRILL THRU FOR REAMING COUNTER DRILL0.4062 DIA 40-43 DEEP,REAM 0.3736 M 0.3746 IN. P DIA,1.750 M 1.780 P IN. DEEP,12 HOLES MARKED Y EQUALLY SPACED AS SHOWN ON THE BASIS OF 15 HOLES TO BE ON CENTER OF OUTER CAM LOBES WITHIN0.010,PRESS IN 12 DOWELS 7709332 TO BOTTOM,DRILL FOR REAMING THRU LOCATIONTO BE WITHIN 0.010 OF OUTER CAM LOBE,COUNTER DRILL 0.4068 DIA 40-49 DEEP REAM 0.3736 IN. M 0.3740 IN. P DIA THRU,PRESS IN DOWEL 7711163 FLUSH TO 0.020 BELOW SURFACE X IN; End Item Identification: 2520-00-784-1715. 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.