The Relay,solid State, cataloged under National Stock Number 5945-01-722-2121, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Relay,solid State |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-722-2121 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9L3630 | D/9 Drawing number reference only Federal Equipment Co |
| NL31E-81 | 3/2 Design control — primary reference U.S. Government activity |
| 9L3630 REVISION M ITEM 14 | C/1 Advisory reference — outside the item-of-supply concept Federal Equipment Co |
NSN 5945-01-722-2121 is a Relay,solid State, classified under FSC 5945, Relays and Solenoids. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6110-01-722-2320, 5930-01-722-4616. Verify interchangeability with system specifications before substitution.
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.