The Terminal,lug, cataloged under National Stock Number 5940-01-018-6789, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Serra Manufacturing Corporation Dba Serra Manufacturing. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5940-01-018-6789 |
| Primary Part Number | SMC1900-4G |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Serra Manufacturing Corporation Dba Serra Manufacturing |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-G-45204,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SINGLE LAYER |
| Mounting Facility Thickness | 0.016 INCHES IN |
| Precious Material | GOLD |
| Mounting Hole Diameter | 0.105 INCHES IN |
| Precious Material and Weight | 0.040 GOLD GRAINS, TROY |
| Material Document and Classification | QQ-B-626,COMP I OR II,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OR QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Maximum Conductor Size Accommodated | 2 AWG |
| Basic Shape Style | SOLDER |
| Mounting Method Style | RING |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | SLANT LUG W/ONE HOLE SINGLE END |
| Largest Width | 0.130 INCHES SINGLE END IN |
| Surface Treatment | GOLD OVERALL SINGLE LAYER |
| Precious Material and Location | EXTERNAL SURFACES GOLD |
| Mounting Tongue Width | 0.250 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Material Thickness | 0.016 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SMC1900-4G PRIMARY | Serra Manufacturing Corporation Dba Serra Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 988154-4 | 7/2 Vendor item drawing reference U.S. Government activity |
| A373-41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5940-01-018-6789 is a Terminal,lug, manufactured by Serra Manufacturing Corporation Dba Serra Manufacturing, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-018-6789 has 1 manufacturer part number on file: SMC1900-4G (Serra Manufacturing Corporation Dba Serra Manufacturing).
Key specifications for SMC1900-4G: Overall Length: 0.620 INCHES IN; Surface Treatment Document and Classification: MIL-G-45204,TYPE II,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL SINGLE LAYER; Mounting Facility Thickness: 0.016 INCHES IN; Precious Material: GOLD. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.