The Adaptor,bearing Cup, cataloged under National Stock Number 5340-01-137-5657, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Adaptor,bearing Cup |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-137-5657 |
| Item Name | Adaptor,bearing Cup |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| 679101 | 3/2 Design control — primary reference U.S. Government activity |
| 679101 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 5340-01-137-5657 is a Adaptor,bearing Cup, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5998-01-609-3109. 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.