The Circuit Card Assembly, cataloged under National Stock Number 5998-00-673-8570, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5998-00-673-8570 |
| Primary Part Number | 76-557 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | CH |
| Part Number | Manufacturer |
|---|---|
| 76-557 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| D9003 | C/1 Advisory reference — outside the item-of-supply concept Andrea Systems Llc |
| D9003 | 5/9 Secondary reference Andrea Electronics Corporation |
NSN 5998-00-673-8570 is a Circuit Card Assembly, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-00-673-8570 has 1 manufacturer part number on file: 76-557 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 76-557: Overall Height: 1.750 INCHES NOMINAL IN; Overall Length: 3.250 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; Special Features: CAPACITOR 4; DIODE 4; PRINTED WIRING BOARD 1; RESISTOR 12. 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 5998-00-673-8570 has DEMIL Code B. 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.