The Terminal,lug, cataloged under National Stock Number 5940-00-172-9079, 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 Zierick Mfg Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-00-172-9079 |
| Primary Part Number | 646 |
| Item Name | Terminal,lug |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Zierick Mfg Corp |
| Status | ACTIVE |
| Mounting Facility Thickness | 0.016 INCHES IN |
| Mounting Hole Diameter | 0.093 INCHES IN |
| Maximum Conductor Size Accommodated | 12 AWG |
| Basic Shape Style | SOLDER, ANGULAR |
| Mounting Method Style | RING |
| Electrical Insulation Feature | UNINSULATED |
| Conductor Accommodation Type | SLANT LUG W/ONE HOLE SINGLE END |
| Angle | 60.0 DEGREES |
| Largest Width | 0.150 INCHES SINGLE END IN |
| Surface Treatment | TIN OVERALL SINGLE LAYER |
| Mounting Tongue Width | 0.150 INCHES IN |
| Material | COPPER OVERALL |
| 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 |
|---|---|
| 646 PRIMARY | Zierick Mfg Corp (USA) |
| Reference | Meaning |
|---|---|
| 2100-04-0042 | C/1 Advisory reference — outside the item-of-supply concept Wavetek U S Inc Div of Wavetek Corp |
| 222814-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5940-00-172-9079 is a Terminal,lug, manufactured by Zierick Mfg Corp, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-172-9079 has 1 manufacturer part number on file: 646 (Zierick Mfg Corp).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-229-3390. Verify interchangeability with system specifications before substitution.
Key specifications for 646: Overall Length: 0.285 INCHES IN; Mounting Facility Thickness: 0.016 INCHES IN; Mounting Hole Diameter: 0.093 INCHES IN; Maximum Conductor Size Accommodated: 12 AWG. 12 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.