The Electronic Components Assembly, cataloged under National Stock Number 5998-01-257-1963, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eldec Aerospace Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-257-1963 |
| Primary Part Number | 476-523-1 |
| Item Name | Electronic Components Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | UD |
| Part Number | Manufacturer |
|---|---|
| 476-523-1 PRIMARY | Eldec Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 476-523-1 | 5/9 Secondary reference Litton Korea Ltd Division of Litton Industries Inc. |
| 476-523-1 | C/1 Advisory reference — outside the item-of-supply concept Litton Korea Co.,ltd |
NSN 5998-01-257-1963 is a Electronic Components Assembly, manufactured by Eldec Aerospace Corp, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-257-1963 has 1 manufacturer part number on file: 476-523-1 (Eldec Aerospace Corp).
Key specifications for 476-523-1: Special Features: CIRCUIT CARD ASSEMBLY 1; EMI FILTER ASSEMBLY 1; HEATSINK ASSEMBLY 1; End Item Identification: CONVERTER,POWER,DC/DC. 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.