The Button,plug, cataloged under National Stock Number 5340-01-392-5631, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-392-5631 |
| Primary Part Number | 2643DP500 |
| Item Name | Button,plug |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Head Height | 0.060 INCHES NOMINAL IN |
| Hole Accommodation Diameter | 0.500 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE |
| Bottom Outside Diameter | 0.484 INCHES NOMINAL IN |
| Head Outside Diameter | 0.580 INCHES NOMINAL IN |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 2643DP500 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| Reference | Meaning |
|---|---|
| Z00.N7130010500 | 5/9 Secondary reference Daher Aerospace - Ex Socata |
| 7242000012 | 5/9 Secondary reference Grove U.s. Llc Dba Grove Us Llc |
NSN 5340-01-392-5631 is a Button,plug, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-392-5631 has 1 manufacturer part number on file: 2643DP500 (Heyco Inc Dba Heyco Products).
Key specifications for 2643DP500: Overall Height: 0.406 INCHES NOMINAL IN; Head Height: 0.060 INCHES NOMINAL IN; Hole Accommodation Diameter: 0.500 INCHES NOMINAL IN; Material Accommodated Thickness: 0.125 INCHES NOMINAL IN. 7 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.