The Relay,reed, cataloged under National Stock Number 5945-01-141-4720, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-141-4720 |
| Primary Part Number | 0490-0617 |
| Item Name | Relay,reed |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Fragility Factor | MODERATELY RUGGEDMODERATELY RUGGED |
| Main Contact Load Current Rating at Maximum Rated Voltage | 250.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Winding DC Resistance Rating | 180.0 OHMS MINIMUM AND 220.0 OHMS MAXIMUM SINGLE WINDING |
| Coil Quantity | 11 |
| Environmental Protection | DUSTPROOFDUSTPROOF |
| Winding Quantity | 11 |
| Operating Voltage Rating and Type at Specified Temp | 5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERALGENERAL |
| 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 |
|---|---|
| 0340.4551.00 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| 0020.7523.00 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| 0490-0617 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 0490-0617 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0490-0617 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| R8287-1 | 5/9 Secondary reference Elec-Trol Inc |
| HE721C05-00 | 5/9 Secondary reference Hamlin Inc |
| 407-1798 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5945-01-141-4720 is a Relay,reed, manufactured by Keysight Technologies Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-141-4720 has 3 manufacturer part numbers on file: 0340.4551.00 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 0020.7523.00 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 0490-0617 (Keysight Technologies Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-207-1730, 5310-01-317-6705. Verify interchangeability with system specifications before substitution.
Key specifications for 0490-0617: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.260 INCHES MINIMUM AND 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM0.290 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Fragility Factor: MODERATELY RUGGEDMODERATELY RUGGED. 14 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.