The Printed Circuit Board, cataloged under National Stock Number 5998-01-339-1638, 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 Opto 22. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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 | 5998-01-339-1638 |
| Primary Part Number | PB24 |
| Item Name | Printed Circuit Board |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Opto 22 |
| Status | ACTIVE |
| 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 |
|---|---|
| PB24 PRIMARY | Opto 22 (USA) |
NSN 5998-01-339-1638 is a Printed Circuit Board, manufactured by Opto 22, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-339-1638 has 1 manufacturer part number on file: PB24 (Opto 22).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-665-3570. Verify interchangeability with system specifications before substitution.
Key specifications for PB24: Overall Height: 2.200 INCHES NOMINAL IN; Overall Length: 18.750 INCHES NOMINAL IN; Overall Width: 4.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: 24 POSITION RELAY MOUNTING BOARD. 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.
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.