The Timer,stop, cataloged under National Stock Number 6645-01-440-5149, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Better Engineering Manufacturing 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6645-01-440-5149 |
| Primary Part Number | 4527-A |
| Item Name | Timer,stop |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Better Engineering Manufacturing 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 |
|---|---|
| 4527-A PRIMARY | Better Engineering Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| 4527 | 5/9 Secondary reference Better Engineering Manufacturing Inc |
NSN 6645-01-440-5149 is a Timer,stop, manufactured by Better Engineering Manufacturing Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-440-5149 has 1 manufacturer part number on file: 4527-A (Better Engineering Manufacturing Inc).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-469-0385, 6625-01-548-0902, 6515-01-554-6589. Verify interchangeability with system specifications before substitution.
Key specifications for 4527-A: End Item Identification: PREPROVISIONING SUPPORT NAVICP IS POE. 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.