The Relay,electromagnetic, cataloged under National Stock Number 5945-01-412-6490, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-412-6490 |
| Primary Part Number | 177A961-2 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 10 TERMINAL SINGLE MOUNTING FACILITY |
| Overall Diameter | 0.275 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Duty Type | CONTINUOUS |
| Coil Quantity | 2 |
| Winding Quantity | 2 |
| Terminal Type and Quantity | 10 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 177A961-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 177A961 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| TLS5M68 | 5/2 Secondary reference U.S. Government activity |
NSN 5945-01-412-6490 is a Relay,electromagnetic, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-412-6490 has 1 manufacturer part number on file: 177A961-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 177A961-2: Mounting Facility Type and Quantity: 10 TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 0.280 INCHES MAXIMUM IN; Overall Diameter: 0.275 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Duty Type: CONTINUOUS. 7 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.