NSN 6645-01-554-5881 · NIIN 015545881 · Part number 6155D
Instrumentation Technology Systems Dba Its · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 57414
Government record, cited
NSN 6645-01-554-5881 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-554-5881. Manufacturer of record part number: 6155D.
Also searched as6645-01-554-5881 ·
6645015545881 ·
NIIN 015545881 ·
01-554-5881 ·
FSC 6645 Time Measuring Instruments · CAGE 57414 · 6155D
External DC Operating Voltage in Volts: 12.0 NOMINAL SINGLE VOLTAGE
2 manufacturer part numbers on file
Manufacturer of record: Instrumentation Technology Systems Dba Its
Identification
NSN: 6645-01-554-5881
NIIN: 015545881
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 6155D
Manufacturer: Instrumentation Technology Systems Dba Its
General Description
The Generator,time Code, cataloged under National Stock Number 6645-01-554-5881, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Instrumentation Technology Systems Dba Its. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 6645-01-554-5881?
NSN 6645-01-554-5881 is a Generator,time Code, manufactured by Instrumentation Technology Systems Dba Its, classified under FSC 6645, Time Measuring Instruments. Status: active.
What part numbers are listed for NSN 6645-01-554-5881?
NSN 6645-01-554-5881 has 2 manufacturer part numbers on file: 6155D (Instrumentation Technology Systems Dba Its), 6155D (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of 6155D?
Key specifications for 6155D: Circuit Construction Type: SOLID STATE; Operating Control Method: AUTOMATIC; Special Features: PROVIDES IRIG B TIME CODE OUTPUT DERIVED FROM GPSWHICH IS SYNCHRONIZED WITH UTC TIME, 12 CHANNEL GPS RECIEVERAUTOMATICALLY ACQUIRES ALL IN-VIEW SATALLITES, RS-232C SERIAL PORT, LCD DISPLAY, OUTPUTS LATTITUDE AND LONGITUDE VIA SERIAL PORT; Overall Gain: 26.0 DECIBELS. 5 specifications are documented in the U.S. Government catalog.
Is NSN 6645-01-554-5881 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 6645-01-554-5881?
NSN 6645-01-554-5881 has DEMIL Code C. 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.