The Circuit Card Assembly, cataloged under National Stock Number 5998-01-531-3281, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5998-01-531-3281 |
| Primary Part Number | 04-9020-000 ITEM 55SW |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Reference Number Differentiating Characteristics | SEAWOLF FLIGHT CRITICAL. ITEMS THAT SUPPORT FLY-BY-WIRE (FBW) CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL P — Demil Prior To Sale/Transfer |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | S |
| Criticality Code | S |
| Unit of Issue | EA |
| Acquisition advice code | VH |
| Weight | 6.3500 lbs |
| Cube | 0.6296 cu ft |
| Part Number | Manufacturer |
|---|---|
| 04-9020-000 ITEM 55SW | Naval Inventory Control Point Mechanicsburg (USA) |
| 77A122491SW | Naval Inventory Control Point Mechanicsburg (USA) |
| 92-9020-006SW | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 77A122491 | 5/1 Secondary reference Lockheed Martin Corporation Div Rms |
| 92-9020-006 | 3/1 Design control — primary reference Lockheed Martin Corporation Div Rms |
| 04-9020-000 ITEM 55 | 5/1 Secondary reference Prime Technology Llc |
NSN 5998-01-531-3281 is a Circuit Card Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-531-3281 has 3 manufacturer part numbers on file: 04-9020-000 ITEM 55SW (Naval Inventory Control Point Mechanicsburg), 77A122491SW (Naval Inventory Control Point Mechanicsburg), 92-9020-006SW (Naval Inventory Control Point Mechanicsburg).
Key specifications for 04-9020-000 ITEM 55SW: Criticality Code Justification: ZZZY; Features Provided: ELECTROSTATIC SENSITIVE; End Item Identification: BRIDGE DRAWER, SHIP CN; Reference Number Differentiating Characteristics: SEAWOLF FLIGHT CRITICAL. ITEMS THAT SUPPORT FLY-BY-WIRE (FBW) CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL. 3 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 5998-01-531-3281 has DEMIL Code P. 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.