The Backplane Assembly, cataloged under National Stock Number 5998-01-458-9957, 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 Astronautics Corporation of America. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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 | 5998-01-458-9957 |
| Primary Part Number | 149688-3 |
| Item Name | Backplane Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | VT |
| Weight | 8.0000 lbs |
| Cube | 0.9358 cu ft |
| Part Number | Manufacturer |
|---|---|
| 149688-3 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5998-01-458-9957 is a Backplane Assembly, manufactured by Astronautics Corporation of America, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-458-9957 has 1 manufacturer part number on file: 149688-3 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-601-0894. Verify interchangeability with system specifications before substitution.
Key specifications for 149688-3: Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; Part Name Assigned by Controlling Agency: CCA INTERCONNECT; End Item Identification: DGU AC-130U GUNSHIP. 2 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 5998-01-458-9957 has DEMIL Code D. 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.