The Stop,mechanical, cataloged under National Stock Number 5340-01-423-4720, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Item Name | Stop,mechanical |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-423-4720 |
| Item Name | Stop,mechanical |
| 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) |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| MPB-37-F152/POCO ITEM 4SD | 3/2 Design control — primary reference U.S. Government activity |
| SPK-39-4SD | 5/2 Secondary reference U.S. Government activity |
| SPK-K104D | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-423-4720 is a Stop,mechanical, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-539-3251. 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.