The Circuit Card Assembly, cataloged under National Stock Number 5998-01-221-4539, 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 Leader Instruments Corporation. The record lists 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-221-4539 |
| Primary Part Number | 2020139 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Leader Instruments Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| 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 |
| Weight | 0.4200 lbs |
| Cube | 0.0278 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2020139-12 | Phase Matrix, Inc. Dba Ni Microwave Components (USA) |
| 2020139 PRIMARY | Leader Instruments Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2020139-03 | 5/9 Secondary reference Phase Matrix, Inc. Dba Ni Microwave Components |
| 2020139-05 | 5/9 Secondary reference Phase Matrix, Inc. Dba Ni Microwave Components |
| 2020139-12 | 5/9 Secondary reference Eip Microwave Inc |
| 2020139-03 | 5/9 Secondary reference Eip Microwave Inc |
NSN 5998-01-221-4539 is a Circuit Card Assembly, manufactured by Leader Instruments Corporation, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-221-4539 has 2 manufacturer part numbers on file: 2020139-12 (Phase Matrix, Inc. Dba Ni Microwave Components), 2020139 (Leader Instruments Corporation).
Key specifications for 2020139: Special Features: CAPACITOR,FIXED,MICA 13; CAPACITOR,FIXED,CERAMIC 20; CAPACITOR,FIXED,DISC 19; CAPACITOR,FIXED,TANTALUM 11; CARD EXTRACTOR 2; COIL 8; CONNECTOR,ELECTRICAL,RECEPTACLE 1; DIODE,SEMICONDUCTOR DEVICE 6; JACK 6; MICROCIRCUIT 8; PRINTED WIRING BOARD 1; RESISTOR,FIXED,COMPOSITION 69; RESISTOR,FIXED,METAL OXIDE 51; TRANSFORMER,RADIO FREQUENCY 1; TRANSISTOR 20. 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.
NSN 5998-01-221-4539 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.