The Holder,electrical Card, cataloged under National Stock Number 5998-01-012-8158, 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 Northrop Grumman Support Services Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-012-8158 |
| Primary Part Number | 128C187H04 |
| Item Name | Holder,electrical Card |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Material | STEEL COMP 301 |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| ST1000-3 | Trio Metal Products Company (USA) |
| 128C187H04 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 128C187H04 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5998-01-012-8158 is a Holder,electrical Card, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-012-8158 has 2 manufacturer part numbers on file: ST1000-3 (Trio Metal Products Company), 128C187H04 (Northrop Grumman Support Services Corp).
Key specifications for 128C187H04: Overall Height: 0.062 INCHES NOMINAL IN; Overall Length: 4.500 INCHES NOMINAL IN; Material: STEEL COMP 301. 1 specification is 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.