The Relay Assembly, cataloged under National Stock Number 5945-00-962-7198, 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. Government technical data includes 9 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.
| Parameter | Value |
|---|---|
| NSN | 5945-00-962-7198 |
| Primary Part Number | 221900 |
| Item Name | Relay Assembly |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Controlling Agency | FILTERS,INC |
| Identifying Number | LL26AAK18 PART NO. AND LL26AAK12 PART NO. AND LL26AAK6 PART NO. AND 26WDK18 PART NO. |
| Individual Relay Quantity | 21 |
| Mounting Facility | MOUNTING BOARD |
| Relay Type | ARMATURE |
| Surface Treatment | ANODIZE MOUNTING |
| Mounting Configuration | TWO 0.209 IN. DIA HOLES SPACED 8.500 IN C TO C IN |
| Furnished Items | CONNECTOR; SOCKET |
| Accessory Component Quantity | 24 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 221900 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 5945-00-962-7198 is a Relay Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-962-7198 has 1 manufacturer part number on file: 221900 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 7640-01-478-1345. Verify interchangeability with system specifications before substitution.
Key specifications for 221900: Overall Height: 1.591 INCHES NOMINAL IN; Controlling Agency: FILTERS,INC; Identifying Number: LL26AAK18 PART NO. AND LL26AAK12 PART NO. AND LL26AAK6 PART NO. AND 26WDK18 PART NO.; Overall Length: 9.000 INCHES NOMINAL IN. 9 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.