NSN 6645-01-218-9452 · NIIN 012189452 · Part number D42701-9201-1
Frequency Electronics Inc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 14844
Government record, cited
NSN 6645-01-218-9452 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-218-9452. Manufacturer of record part number: D42701-9201-1.
Also searched as6645-01-218-9452 ·
6645012189452 ·
NIIN 012189452 ·
01-218-9452 ·
FSC 6645 Time Measuring Instruments · CAGE 14844 · D42701-9201-1
Nearby stock numbers← 6645-01-218-9092 Display Unit, Remote, Time
·
6645-01-219-0968 Timer, Sequential →
Features
Resonator,cesium Be — FSC 6645
1 manufacturer part number on file
Manufacturer of record: Frequency Electronics Inc
Identification
NSN: 6645-01-218-9452
NIIN: 012189452
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: D42701-9201-1
Manufacturer: Frequency Electronics Inc
General Description
The Resonator,cesium Be, cataloged under National Stock Number 6645-01-218-9452, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Frequency Electronics Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 6645 — Time Measuring Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6645-00-001-1256
6645-00-001-1256 · Item name not on file
6645-00-001-4498
6645-00-001-4498 · Item name not on file
6645-00-001-4584
6645-00-001-4584 · Item name not on file
6645-00-001-9400
METER,TIME TOTALIZING
6645-00-003-0327
6645-00-003-0327 · Item name not on file
6645-00-003-0328
6645-00-003-0328 · Item name not on file
6645-00-003-0337
6645-00-003-0337 · Item name not on file
6645-00-003-0338
METER,TIME TOTALIZING
Frequently Asked Questions
What is NSN 6645-01-218-9452?
NSN 6645-01-218-9452 is a Resonator,cesium Be, manufactured by Frequency Electronics Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
What part numbers are listed for NSN 6645-01-218-9452?
NSN 6645-01-218-9452 has 1 manufacturer part number on file: D42701-9201-1 (Frequency Electronics Inc).
Is NSN 6645-01-218-9452 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 6645-01-218-9452?
NSN 6645-01-218-9452 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.