The Box Connector,electrical, cataloged under National Stock Number 5975-01-564-7908, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Heyco Inc Dba Heyco Products. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-564-7908 |
| Primary Part Number | M4518 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Item Accommodated Trade Size | 0.500 INCHES SECOND END IN |
| Item Accommodated Trade Size | 0.500 INCHES FIRST END IN |
| Style Designator | STRAIGHT |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Inside Diameter | 0.260 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.260 INCHES NOMINAL SECOND END IN |
| Conduit Type Accommodated | FLEXIBLE NONMETALLIC FIRST END |
| Conduit Type Accommodated | FLEXIBLE NONMETALLIC SECOND END |
| Material | PLASTIC NYLON |
| Thread Series Designator | NPT FIRST END |
| End Type | EXTERNAL THREAD FIRST END |
| End Type | SHOULDERED FERRULE W/HEXAGON NUT SECOND END |
| 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 |
|---|---|
| M4518 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
NSN 5975-01-564-7908 is a Box Connector,electrical, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-564-7908 has 1 manufacturer part number on file: M4518 (Heyco Inc Dba Heyco Products).
Key specifications for M4518: Item Accommodated Trade Size: 0.500 INCHES SECOND END IN; Item Accommodated Trade Size: 0.500 INCHES FIRST END IN; Style Designator: STRAIGHT; Nominal Thread Size: 0.500 INCHES FIRST END IN. 12 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.