The Timer,interval, cataloged under National Stock Number 6645-01-437-4740, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Miller Electric Mfg. Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-437-4740 |
| Primary Part Number | 042-641 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| OM-354A FIG 9-6 ITEM NO 40 | Miller Electric Mfg. Llc (USA) |
| 042-641 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| OM-354A FIG 9-6 ITEM NO 40 | 5/9 Secondary reference Miller Electric Mfg. Co. |
| 042-641 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 6645-01-437-4740 is a Timer,interval, manufactured by Miller Electric Mfg. Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-437-4740 has 2 manufacturer part numbers on file: OM-354A FIG 9-6 ITEM NO 40 (Miller Electric Mfg. Llc), 042-641 (Miller Electric Mfg. Llc).
Key specifications for 042-641: Special Features: PRE-FLOW/SPOT TIMER. 0 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.