The Box Connector,electrical, cataloged under National Stock Number 5975-01-158-0357, 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 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-158-0357 |
| Primary Part Number | 3213 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Heyco Inc Dba Heyco Products |
| Status | ACTIVE |
| Thread Length | 0.312 INCHES NOMINAL SINGLE END IN |
| Style Designator | STRAIGHT |
| Inside Diameter | 0.480 INCHES MAXIMUM FIRST END IN |
| Material | PLASTIC NYLON |
| End Type | RUBBER BUSHING, WATERTIGHT-1 HOLE SINGLE END |
| Hazardous Locations/environmental Protection | ACID RESISTANT AND OILTIGHT AND WATERTIGHT |
| 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 |
|---|---|
| 3213 PRIMARY | Heyco Inc Dba Heyco Products (USA) |
| Reference | Meaning |
|---|---|
| 8668018-3 | 5/9 Secondary reference Drs Technologies Canada Ltd |
| 12364102-1 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 28668018-3 | 5/9 Secondary reference Drs Technologies Canada Ltd |
NSN 5975-01-158-0357 is a Box Connector,electrical, manufactured by Heyco Inc Dba Heyco Products, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-158-0357 has 1 manufacturer part number on file: 3213 (Heyco Inc Dba Heyco Products).
Key specifications for 3213: Thread Length: 0.312 INCHES NOMINAL SINGLE END IN; Style Designator: STRAIGHT; Inside Diameter: 0.480 INCHES MAXIMUM FIRST END IN; Material: PLASTIC NYLON. 6 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.