The Button,plug, cataloged under National Stock Number 5340-01-183-7040, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-183-7040 |
| Primary Part Number | DP-1375 |
| Item Name | Button,plug |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Head Height | 0.062 INCHES NOMINAL IN |
| Hole Accommodation Diameter | 1.375 INCHES NOMINAL IN |
| Style Designator | WIRE SPRING FLANGED BOTTOM |
| Material Document and Classification | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE |
| Bottom Outside Diameter | 1.375 INCHES NOMINAL IN |
| Head Outside Diameter | 1.469 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| DP-1375 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| ST9M621-1375 | The Boeing Company Div Defense (USA) |
NSN 5340-01-183-7040 is a Button,plug, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-183-7040 has 2 manufacturer part numbers on file: DP-1375 (Heyco Inc Dba Heyco Products), ST9M621-1375 (The Boeing Company Div Defense).
Key specifications for DP-1375: Overall Height: 0.453 INCHES NOMINAL IN; Head Height: 0.062 INCHES NOMINAL IN; Hole Accommodation Diameter: 1.375 INCHES NOMINAL IN; Style Designator: WIRE SPRING FLANGED BOTTOM. 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.