NSN 6645-01-448-6491 · NIIN 014486491 · Part number 560-5503
Symmetricom, Inc · FSC 6645 — Time Measuring Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 56738
Government record, cited
NSN 6645-01-448-6491 — this item is cataloged by the U.S. Government under National Stock Number 6645-01-448-6491. Manufacturer of record part number: 560-5503.
Also searched as6645-01-448-6491 ·
6645014486491 ·
NIIN 014486491 ·
01-448-6491 ·
FSC 6645 Time Measuring Instruments · CAGE 56738 · 560-5503 · 2T-IRIGB-AA
Nearby stock numbers← 6645-01-448-6002 Meter, Time Totalizing
·
6645-01-448-6511 Generator, Time Code →
Features
Generator,time Code — FSC 6645
2 manufacturer part numbers on file
Manufacturer of record: Symmetricom, Inc
Identification
NSN: 6645-01-448-6491
NIIN: 014486491
FSC: 6645 — Time Measuring Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 560-5503
Manufacturer: Symmetricom, Inc
General Description
The Generator,time Code, cataloged under National Stock Number 6645-01-448-6491, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Symmetricom, Inc. 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 6645-01-448-6491?
NSN 6645-01-448-6491 is a Generator,time Code, manufactured by Symmetricom, Inc, classified under FSC 6645, Time Measuring Instruments. Status: active.
What part numbers are listed for NSN 6645-01-448-6491?
NSN 6645-01-448-6491 has 2 manufacturer part numbers on file: 560-5503 (Symmetricom, Inc), 2T-IRIGB-AA (Compaq Federal Llc).
What are the specifications of 560-5503?
Key specifications for 560-5503: End Item Identification: AN/FSQ-114 MOD PGM. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6645-01-448-6491 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 6645-01-448-6491?
NSN 6645-01-448-6491 has DEMIL Code Q. 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.