The Ring,snap,gear, cataloged under National Stock Number 2520-00-593-1085, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Borg-Warner Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Ring,snap,gear |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Borg-Warner Corp (CAGE 08018) |
| Parameter | Value |
|---|---|
| NSN | 2520-00-593-1085 |
| Primary Part Number | 4756A |
| Item Name | Ring,snap,gear |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Borg-Warner Corp |
| 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 |
|---|---|
| 4756A PRIMARY | Borg-Warner Corp (USA) |
| Reference | Meaning |
|---|---|
| 134388 | 5/9 Secondary reference Komatsu American Intl Co |
| 156402R1 | C/1 Advisory reference — outside the item-of-supply concept Komatsu American Intl Co |
| 156402R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 156402R1 | 5/9 Secondary reference U.S. Government activity |
NSN 2520-00-593-1085 is a Ring,snap,gear, manufactured by Borg-Warner Corp, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-593-1085 has 1 manufacturer part number on file: 4756A (Borg-Warner Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-840-5052, 5305-01-508-9108. 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.