The Timer,interval, cataloged under National Stock Number 6645-01-261-5978, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Kirk Optical Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-261-5978 |
| Primary Part Number | K-1404 |
| Item Name | Timer,interval |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Kirk Optical Co Inc |
| 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 |
|---|---|
| K-1404 PRIMARY | Kirk Optical Co Inc (USA) |
| Reference | Meaning |
|---|---|
| NAVAL REPAIR PART | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 6645-01-261-5978 is a Timer,interval, manufactured by Kirk Optical Co Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-261-5978 has 1 manufacturer part number on file: K-1404 (Kirk Optical Co Inc).
Key specifications for K-1404: Special Features: REPAIR PART FOR NSN 6540-01-257-1695; HEAT TREATING UNIT,OPHTHALMIC LENS; MODEL NO. 1-AA-2; BY KIRK OPTICAL LENS CO. INC.; Part Name Assigned by Controlling Agency: TIMER INTERVAL FOR NSN 6540-01-257-1695 HEAT TREATING UNIT. 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.