The Resistance Ring, cataloged under National Stock Number 4940-01-453-0477, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Teco-Westinghouse Motor Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4940-01-453-0477 |
| Primary Part Number | 2D58918H19 |
| Item Name | Resistance Ring |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Teco-Westinghouse Motor Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2D58918H19 PRIMARY | Teco-Westinghouse Motor Company (USA) |
| Reference | Meaning |
|---|---|
| 2732J30 | D/9 Drawing number reference only Teco-Westinghouse Motor Company |
NSN 4940-01-453-0477 is a Resistance Ring, manufactured by Teco-Westinghouse Motor Company, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-453-0477 has 1 manufacturer part number on file: 2D58918H19 (Teco-Westinghouse Motor Company).
1 possible match (shared part number, not a government interchangeability claim): 6105-01-472-3529. Verify interchangeability with system specifications before substitution.
Key specifications for 2D58918H19: Special Features: TWO NEEDED FOR THE AC MOTOR 900HP; End Item Identification: MOTOR BOW THR CAGE 60089; W/S CODE KA USNS STALWART CLASS TAGOS. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.