The Time,reaction, cataloged under National Stock Number 6645-01-281-7254, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Lafayette Instrument Company, Llc. Government technical data includes 1 specification, 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 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 | 6645-01-281-7254 |
| Primary Part Number | 63013 |
| Item Name | Time,reaction |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Lafayette Instrument Company, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | 110 VOLTS |
| 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 |
|---|---|
| 63013 PRIMARY | Lafayette Instrument Company, Llc (USA) |
NSN 6645-01-281-7254 is a Time,reaction, manufactured by Lafayette Instrument Company, Llc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-281-7254 has 1 manufacturer part number on file: 63013 (Lafayette Instrument Company, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 2540-01-625-9047, 5180-01-680-8467. Verify interchangeability with system specifications before substitution.
Key specifications for 63013: General Characteristics Item Description: 110 VOLTS. 1 specification is 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.