The Timer,sequential, cataloged under National Stock Number 6645-01-449-8100, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Blackstone~ney Ultrasonics, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-449-8100 |
| Primary Part Number | 4600355 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Blackstone~ney Ultrasonics, 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 |
|---|---|
| 4600355 PRIMARY | Blackstone~ney Ultrasonics, Inc. (USA) |
NSN 6645-01-449-8100 is a Timer,sequential, manufactured by Blackstone~ney Ultrasonics, Inc., classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-449-8100 has 1 manufacturer part number on file: 4600355 (Blackstone~ney Ultrasonics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-508-6552. Verify interchangeability with system specifications before substitution.
Key specifications for 4600355: 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.