The Terminal,stud, cataloged under National Stock Number 5940-00-993-8831, 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 Lta/d-Cemco Inc Dba D-Cemco. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5940-00-993-8831 |
| Primary Part Number | 1678-1-4 |
| Item Name | Terminal,stud |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Lta/d-Cemco Inc Dba D-Cemco |
| Status | ACTIVE |
| Slot Width | 0.078 INCHES SINGLE END IN |
| Minor Bushing Length | 0.150 INCHES IN |
| Minor Bushing Diameter | 0.165 INCHES IN |
| Precious Material | SILVER |
| Overall Diameter | 0.187 INCHES IN |
| Major Bushing Length | 0.125 INCHES IN |
| Precious Material and Weight | 0.040 SILVER GRAINS, TROY |
| Material Document and Classification | QQ-B-626,COMP. 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE CONDUCTOR ACCOMMODATION |
| Basic Shape Style | NONTUBULAR, ROUND |
| Mounting Method Style | PRESS FIT |
| Electrical Insulation Feature | INSULATING MOUNTING BUSHING |
| Terminal Length | 0.203 INCHES IN |
| Dry Flashover Voltage Rating in Volts | 4800.0 |
| Conductor Accommodation Type | BIFURCATED U-FORK SINGLE END |
| Largest Width | 0.148 INCHES SINGLE END IN |
| Surface Treatment | SILVER CONDUCTOR ACCOMMODATION SINGLE LAYER |
| Precious Material and Location | CONDUCTOR ACCOMMODATION SILVER |
| Slot Depth | 0.090 INCHES SINGLE END IN |
| Major Bushing Diameter | 0.187 INCHES IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INSULATION |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY |
| Material | COPPER ALLOY CONDUCTOR ACCOMMODATION |
| 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 |
|---|---|
| 10004253 | Us Army Aviation and Missile Command (USA) |
| 1678-1-4 PRIMARY | Lta/d-Cemco Inc Dba D-Cemco (USA) |
| 1106R-20-0519 PRIMARY | Concord Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10132272 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| RST250SL | 5/9 Secondary reference U.S. Government activity |
| 395662-1 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| 014-3003-00-0-479 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5940-00-993-8831 is a Terminal,stud, manufactured by Lta/d-Cemco Inc Dba D-Cemco, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-00-993-8831 has 3 manufacturer part numbers on file: 10004253 (Us Army Aviation and Missile Command), 1678-1-4 (Lta/d-Cemco Inc Dba D-Cemco), 1106R-20-0519 (Concord Electronics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5963-01-204-7485. Verify interchangeability with system specifications before substitution.
Key specifications for 1678-1-4: Slot Width: 0.078 INCHES SINGLE END IN; Minor Bushing Length: 0.150 INCHES IN; Minor Bushing Diameter: 0.165 INCHES IN; Precious Material: SILVER. 22 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.