The Relay,solid State, cataloged under National Stock Number 5945-01-222-9263, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-222-9263 |
| Primary Part Number | M640-10004 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Overall Diameter | 0.370 INCHES NOMINAL IN |
| Features Provided | HERMETICALLY SEALED |
| 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 |
|---|---|
| M640-10004 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| M640-10004 | 5/9 Secondary reference Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ |
| 5945PL0912308 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 7904438-00 | 5/2 Secondary reference U.S. Government activity |
| M640-10004 | 3/9 Design control — primary reference Teledyne Technologies Incorporated Dba Teledyne Microelectronic Technologies Div Teledyne Microelectronics |
NSN 5945-01-222-9263 is a Relay,solid State, manufactured by Ward Leonard Ct Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-222-9263 has 1 manufacturer part number on file: M640-10004 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-364-3759. Verify interchangeability with system specifications before substitution.
Key specifications for M640-10004: Overall Diameter: 0.370 INCHES NOMINAL IN; Overall Length: 0.275 INCHES NOMINAL IN; Features Provided: HERMETICALLY SEALED; Special Features: SPSTNO;CORROSION RESISTANT CASE; 3.8 VDC TO 7.0 VDC TURN ON VOLTAGE;25 MA INPUT CURRENT; 0 TO 40 VAC OR VDC OUTPUT VOLTAGE; 30 MA OUTPUT CURRENT;2 MICROSECONDS TURN ON TIME; 10 MICROSECONDS TURN OFF TIME;WIRE LEADS;MODERATELY RUGGED ITEM;0.118 CU. IN.;STORAGE TEMP -55 TO 125 DEG C;ITEM IS PROPRIETARY VDC. 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.