The Relay,solid State, cataloged under National Stock Number 5945-01-570-1691, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5945-01-570-1691 |
| Primary Part Number | PL4G10503 ITEM 072 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PL4G10503 ITEM 072 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 4G10503 ITEM 072 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| D1D20L | 3/9 Design control — primary reference Crydom Corp |
| 4G10503 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 5945-01-570-1691 is a Relay,solid State, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-570-1691 has 2 manufacturer part numbers on file: PL4G10503 ITEM 072 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 4G10503 ITEM 072 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-570-1695. Verify interchangeability with system specifications before substitution.
Key specifications for PL4G10503 ITEM 072: Special Features: END ITEM:POWER CONTROL CABINET ASSEMBLY; End Item Identification: WEAPON SYSTEM:SEAWOLF CLASS SSN. 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 5945-01-570-1691 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.