The Monitor,phase, cataloged under National Stock Number 5840-01-156-6759, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Time Mark Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-156-6759 |
| Primary Part Number | B264 |
| Item Name | Monitor,phase |
| FSC / FSG | 5840 / 58 — No Item Name Available |
| Manufacturer | Time Mark Corp |
| Status | ACTIVE |
| Supplementary Features | AMBIENT TEMPERATURE M20 DEG C TO P70 DEG C; ALTITUDE 40,000 FT NON-OPERATING,15,000 FT OPERATING FT |
| Functional Description | 3-PHASE POWER MONITOR FOR LOSS OF PHASE,LOW VOLTAGE ON ANY OR ALL PHASES,AND REVERSED PHASE FROM NORMAL SEQUENCE |
| Material | STEEL CASE |
| Case Surface Treatment | ENAMEL |
| Phase | THREE |
| Unpackaged Unit Weight | 1.500 POUNDS NOMINAL LBS |
| Design Type | AUDIBLE |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| AC Voltage Rating | 260.0 VOLTS MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77C718181P001 | Lockheed Martin Corporation Div Rms (USA) |
| B264 PRIMARY | Time Mark Corp (USA) |
| 77C718181 | Lockheed Martin Corporation Div Rms (USA) |
NSN 5840-01-156-6759 is a Monitor,phase, manufactured by Time Mark Corp, classified under FSC 5840 (No Item Name Available). Status: active.
NSN 5840-01-156-6759 has 3 cross-referenced part numbers: 77C718181P001 (Lockheed Martin Corporation Div Rms), B264 (Time Mark Corp), 77C718181 (Lockheed Martin Corporation Div Rms).
There are 5 known substitutes for 5840-01-156-6759: 4820-00-203-0054, 3455-00-552-4277, 4510-00-595-1775 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for B264: Supplementary Features: AMBIENT TEMPERATURE M20 DEG C TO P70 DEG C; ALTITUDE 40,000 FT NON-OPERATING,15,000 FT OPERATING FT; Functional Description: 3-PHASE POWER MONITOR FOR LOSS OF PHASE,LOW VOLTAGE ON ANY OR ALL PHASES,AND REVERSED PHASE FROM NORMAL SEQUENCE; Material: STEEL CASE; Case Surface Treatment: ENAMEL. 13 total characteristics are documented in the Federal Logistics Information System.