The Circuit Card Assembly, cataloged under National Stock Number 5998-01-496-0779, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5998-01-496-0779 |
| Primary Part Number | AC24AT |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Opto 22 |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| 10-3515 SHT 20 ITS 8, 9, 10 | L3 Technologies, Inc. (USA) |
| AC24AT PRIMARY | Opto 22 (USA) |
| Reference | Meaning |
|---|---|
| 10-3515 | D/9 Drawing number reference only L3 Technologies, Inc. |
NSN 5998-01-496-0779 is a Circuit Card Assembly, manufactured by Opto 22, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-496-0779 has 2 manufacturer part numbers on file: 10-3515 SHT 20 ITS 8, 9, 10 (L3 Technologies, Inc.), AC24AT (Opto 22).
4 possible matches (shared part number, not a government interchangeability claim): 5935-01-496-2258, 5998-01-496-4778, 5998-01-496-4779. Verify interchangeability with system specifications before substitution.
Key specifications for AC24AT: Overall Length: 13.450 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CARD, ADAPTER ASSY; End Item Identification: ALARM CONSOLE. 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 5998-01-496-0779 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.