The Backplane Assembly, cataloged under National Stock Number 5998-01-371-4801, 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 Anritsu Instruments Company Div Mbu. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 5998-01-371-4801 |
| Primary Part Number | 21178 |
| Item Name | Backplane Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Anritsu Instruments Company Div Mbu |
| 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 | JN |
| Part Number | Manufacturer |
|---|---|
| 21178 PRIMARY | Anritsu Instruments Company Div Mbu (USA) |
NSN 5998-01-371-4801 is a Backplane Assembly, manufactured by Anritsu Instruments Company Div Mbu, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-371-4801 has 1 manufacturer part number on file: 21178 (Anritsu Instruments Company Div Mbu).
2 possible matches (shared part number, not a government interchangeability claim): 1005-01-542-8087, 5325-01-721-5452. Verify interchangeability with system specifications before substitution.
Key specifications for 21178: Part Name Assigned by Controlling Agency: BACKPLANE ASSEMBLY; End Item Identification: 6625-01-355-4087. 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 5998-01-371-4801 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.