The Timer,interval, cataloged under National Stock Number 6645-01-005-3542, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Pentair Filtration Solutions, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 6645-01-005-3542 |
| Primary Part Number | 4648 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Pentair Filtration Solutions, Llc |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Control Type | KNOB |
| Dial Minimum Graduation Unit | 1.0 MINUTE AND 15.0 SECONDS |
| Mounting Method | FLUSH |
| Voltage in Volts | 120.0 |
| Reset Type | MANUAL |
| Inscription Color | BLACK |
| Timer Type | ELECTRICAL |
| Hand Designation and Quantity | 1 INTERVAL HAND |
| Hand Color | BLACK |
| Dial Background Color | ALUMINUM, SATIN |
| Operation Method | MOTOR DRIVEN |
| 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 |
|---|---|
| 4648 PRIMARY | Pentair Filtration Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5710-6-1-0-01 | 5/9 Secondary reference Cramer Co Division of Chestnut Group Inc |
| 4719PC8 | 5/9 Secondary reference Pentair Filtration Solutions, Llc |
NSN 6645-01-005-3542 is a Timer,interval, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-005-3542 has 1 manufacturer part number on file: 4648 (Pentair Filtration Solutions, Llc).
6 possible matches (shared part number, not a government interchangeability claim): 5905-01-037-8098, 5330-01-050-6175, 4730-01-208-8960. Verify interchangeability with system specifications before substitution.
Key specifications for 4648: Overall Height: 3.500 INCHES NOMINAL IN; Frequency in Hertz: 60.0; Current Type: AC; Control Type: KNOB. 13 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.