The Relay,rotary, cataloged under National Stock Number 5945-00-896-0508, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-896-0508 |
| Primary Part Number | MER115VAC |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co |
| Status | ACTIVE |
| Winding Characteristic | SINGLE WOUND UNTAPPED |
| Coil DC Resistance | 110.0 OHMS NOMINAL |
| Structural Design | SECTIONAL |
| Operating Current Rating | 30.0 AMPERES NOMINAL |
| Contact Terminal Quantity | 22 |
| Hold-in Current | 9.0 AMPERES NOMINAL |
| Coil Hold-in DC Resistance Rating | 110.0 OHMS NOMINAL |
| Section Quantity | 1 |
| Coil Pull-in DC Resistance Rating | 110.0 OHMS NOMINAL |
| Coil Terminal Quantity | 4 |
| Mounting Configuration | THREE NO. 8-32 THD MTG HOLES IRREGULARLY SPACED |
| Pull-in Current | 9.0 AMPERES NOMINAL |
| AC Operating Voltage Rating in Volts | 115.0 NOMINAL |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| Coil Winding Quantity | 1 |
| 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 |
|---|---|
| MER115VAC PRIMARY | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| Reference | Meaning |
|---|---|
| 520113 | C/1 Advisory reference — outside the item-of-supply concept Jennings Technology Company Llc Dba Jennings |
NSN 5945-00-896-0508 is a Relay,rotary, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-896-0508 has 1 manufacturer part number on file: MER115VAC (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-122-1057, 3010-01-412-5188, 4730-01-580-3535. Verify interchangeability with system specifications before substitution.
Key specifications for MER115VAC: Winding Characteristic: SINGLE WOUND UNTAPPED; Overall Height: 3.250 INCHES NOMINAL IN; Coil DC Resistance: 110.0 OHMS NOMINAL; Structural Design: SECTIONAL. 15 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.