The Printed Wiring Board, cataloged under National Stock Number 5998-01-421-2186, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5998-01-421-2186 |
| Item Name | Printed Wiring Board |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| 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 | JH |
| Weight | 5.0000 lbs |
| Cube | 0.5649 cu ft |
| Reference | Meaning |
|---|---|
| 21183-2 | 5/9 Secondary reference Tkh Security Solutions Usa, Inc. |
| 21183-2 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 21183-2 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| 21183-2 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5998-01-421-2186 is a Printed Wiring Board, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6680-01-440-5571. Verify interchangeability with system specifications before substitution.
Key specifications for 5998-01-421-2186: End Item Identification: DFIBER OPTIC TELEPHONE SYSTEM. 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.