The Terminal Junction Block,sectiona, cataloged under National Stock Number 5940-01-054-5225, 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 Egs Electrical Group Appleton Div. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5940-01-054-5225 |
| Primary Part Number | 421-501-03-18 |
| Item Name | Terminal Junction Block,sectiona |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Egs Electrical Group Appleton Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 421-501-03-18 PRIMARY | Egs Electrical Group Appleton Div (USA) |
| 1-591613-8 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| MRTB18 | 5/9 Secondary reference Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix |
| 130-015-18 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5940-01-054-5225 is a Terminal Junction Block,sectiona, manufactured by Egs Electrical Group Appleton Div, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-054-5225 has 2 manufacturer part numbers on file: 421-501-03-18 (Egs Electrical Group Appleton Div), 1-591613-8 (Te Connectivity Corporation).
Key specifications for 421-501-03-18: Overall Length: 8.426 INCHES MAXIMUM IN; Special Features: MATERIAL IS ALUMINUM ALLOY 6063,TEMPER PER QQ-A-200/9;SURFACE FINISH IS ANODIC COATING MIL-A-8625,TYPE II CLASS 2,BLACK,18 MOUNTING SPACES;DESIGNED FOR TRACK MOUNTING OF M81714/2;M81714/3 AND M81714/4 FEEDBACK MODULES. 0 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.