The Relay,reed, cataloged under National Stock Number 5945-01-077-9953, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sypris Electronics, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-077-9953 |
| Primary Part Number | 522172-0024 |
| Item Name | Relay,reed |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Sypris Electronics, Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 7 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 250.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 1.575 KILOHMS MINIMUM SINGLE WINDING |
| Features Provided | COIL VOLTAGE SUPPRESSION AND ELECTROSTATIC SHIELD |
| Coil Quantity | 11 |
| Environmental Protection | DUSTPROOFDUSTPROOF |
| Winding Quantity | 11 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 7 PRINTED CIRCUIT ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 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 |
|---|---|
| 522172-0024 PRIMARY | Sypris Electronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 831C-6 | 5/9 Secondary reference U.S. Government activity |
| 47A530100P1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures |
| RA30441241-02 | 5/9 Secondary reference Elec-Trol Inc |
| GB831C-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-01-077-9953 is a Relay,reed, manufactured by Sypris Electronics, Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-077-9953 has 1 manufacturer part number on file: 522172-0024 (Sypris Electronics, Llc).
Key specifications for 522172-0024: Mounting Facility Type and Quantity: 7 PRINTED CIRCUIT TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 0.365 INCHES NOMINAL0.365 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 250.0 MILLIAMPERES DC RESISTIVE LOAD. 12 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.