The Button,plug, cataloged under National Stock Number 5340-01-652-6725, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mocap Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-652-6725 |
| Primary Part Number | SMF3/4BK1 |
| Item Name | Button,plug |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mocap Inc |
| Status | ACTIVE |
| Hole Accommodation Diameter | 0.74 INCHES MINIMUM AND 0.77 INCHES MAXIMUM IN |
| Material Accommodated Thickness | 0.03 INCHES MINIMUM AND 0.11 INCHES MAXIMUM IN |
| Bottom Outside Diameter | 0.790 INCHES NOMINAL IN |
| Head Outside Diameter | 1.060 INCHES NOMINAL 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 |
|---|---|
| 7421478204 | Arquus (FRA) |
| SMF3/4BK1 PRIMARY | Mocap Inc (USA) |
| 21478204 | Volvo Lastvagnar Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 21478204 | 5/9 Secondary reference Volvo Lastvagnar Ab - Volvo Truckcorp |
NSN 5340-01-652-6725 is a Button,plug, manufactured by Mocap Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-652-6725 has 3 manufacturer part numbers on file: 7421478204 (Arquus), SMF3/4BK1 (Mocap Inc), 21478204 (Volvo Lastvagnar Aktiebolag).
Key specifications for SMF3/4BK1: Overall Height: 0.290 INCHES NOMINAL IN; Hole Accommodation Diameter: 0.74 INCHES MINIMUM AND 0.77 INCHES MAXIMUM IN; Material Accommodated Thickness: 0.03 INCHES MINIMUM AND 0.11 INCHES MAXIMUM IN; Bottom Outside Diameter: 0.790 INCHES NOMINAL IN. 4 specifications are 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.