The Button,plug, cataloged under National Stock Number 5340-01-155-8039, 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 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-155-8039 |
| Primary Part Number | DP-375 |
| 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 | 0.375 INCHES NOMINAL IN |
| Material Accommodated Thickness | 0.125 INCHES MAXIMUM IN |
| Head Outside Diameter | 0.469 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| ST9M621-375 | The Boeing Company Div Defense (USA) |
| 59281AX | Oshkosh Defense Llc (USA) |
| 2617 | Heyman Manufacturing Gmbh (DEU) |
| DP-375 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| Reference | Meaning |
|---|---|
| 12602964 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 59281AX | 5/9 Secondary reference Oshkosh Corp |
NSN 5340-01-155-8039 is a Button,plug, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-155-8039 has 4 manufacturer part numbers on file: ST9M621-375 (The Boeing Company Div Defense), 59281AX (Oshkosh Defense Llc), 2617 (Heyman Manufacturing Gmbh), DP-375 (Heyco Inc Dba Heyco Products).
4 possible matches (shared part number, not a government interchangeability claim): 5360-01-247-2719, 5305-01-329-1943, 5998-01-423-8412. Verify interchangeability with system specifications before substitution.
Key specifications for DP-375: Overall Height: 0.406 INCHES NOMINAL IN; Head Height: 0.062 INCHES NOMINAL IN; Hole Accommodation Diameter: 0.375 INCHES NOMINAL IN; Material Accommodated Thickness: 0.125 INCHES MAXIMUM IN. 5 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.