The Relay,hybrid, cataloged under National Stock Number 5945-01-051-3374, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Automation Products Group, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-051-3374 |
| Primary Part Number | 1A-3B7 |
| Item Name | Relay,hybrid |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Automation Products Group, Inc. |
| Status | ACTIVE |
| Contact Arrangement | DOUBLE POLE, DOUBLE THROW |
| Voltage Rating | UNABLE TO DECODE |
| 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 |
|---|---|
| 1A-3B7 PRIMARY | Automation Products Group, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2032-18 | 5/9 Secondary reference U.S. Government activity |
| 731-13218 | 5/9 Secondary reference Automation Products Group, Inc. |
NSN 5945-01-051-3374 is a Relay,hybrid, manufactured by Automation Products Group, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-051-3374 has 1 manufacturer part number on file: 1A-3B7 (Automation Products Group, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-317-3009, 6515-01-589-3861. Verify interchangeability with system specifications before substitution.
Key specifications for 1A-3B7: Contact Arrangement: DOUBLE POLE, DOUBLE THROW; Special Features: 2 AMP AT 115 VAC OR 28 VDC RESISTIVE;60 HZ;2.380 IN. LG;1.620 IN. W;3.720 IN. H;FOUR 0.173 IN. DIA MTG HOLES ON 2.500 X 2.000 IN. MTG CTRS VDC; Voltage Rating: UNABLE TO DECODE. 2 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.