The Printed Circuit Board, cataloged under National Stock Number 5998-01-277-2777, 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 Raytheon Company Dba Raytheon Co. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-277-2777 |
| Primary Part Number | 893639-1 |
| Item Name | Printed Circuit Board |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| 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 | JH |
| Part Number | Manufacturer |
|---|---|
| 893639-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 893639-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5998-01-277-2777 is a Printed Circuit Board, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-277-2777 has 1 manufacturer part number on file: 893639-1 (Raytheon Company Dba Raytheon Co).
3 possible matches (shared part number, not a government interchangeability claim): 1640-01-321-0665, 1640-01-321-0667, 1640-01-321-0669. Verify interchangeability with system specifications before substitution.
Key specifications for 893639-1: Part Name Assigned by Controlling Agency: POWER SUPPLY; End Item Identification: SONAR SET,AN/SQS-56(SA). 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 5998-01-277-2777 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.