NSN 6625-01-643-4573 · NIIN 016434573 · Part number N5181B-503-UNT
Keysight Technologies, Inc. · FSC 6625 — Electrical and Electronic Properties Measuring and Testing Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 52708
Government record, cited
NSN 6625-01-643-4573 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-643-4573. Manufacturer of record part number: N5181B-503-UNT.
Also searched as6625-01-643-4573 ·
6625016434573 ·
NIIN 016434573 ·
01-643-4573 ·
FSC 6625 Electrical and Electronic Properties Measuring and Testing Instruments · CAGE 52708 · N5181B-503-UNT
Manufacturer of record: Keysight Technologies, Inc.
Identification
NSN: 6625-01-643-4573
NIIN: 016434573
FSC: 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: N5181B-503-UNT
Manufacturer: Keysight Technologies, Inc.
General Description
The Generator,signal, cataloged under National Stock Number 6625-01-643-4573, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Keysight Technologies, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6625-01-643-4573
Primary Part Number
N5181B-503-UNT
Item Name
Generator,signal
FSC / FSG
6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments
Manufacturer
Keysight Technologies, Inc.
Status
ACTIVE
Modulation Type
ANY ACCEPTABLE
Fixed Frequency Quantity
5
Modulator Location
ANY ACCEPTABLE
Frequency Range Rating
+5.0 TO 250.0 MEGAHERTZ
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6625-00-000-0309
6625-00-000-0309 · Item name not on file
6625-00-000-0480
6625-00-000-0480 · Item name not on file
6625-00-001-1338
6625-00-001-1338 · Item name not on file
6625-00-001-1341
6625-00-001-1341 · Item name not on file
6625-00-001-1371
6625-00-001-1371 · Item name not on file
6625-00-001-1373
6625-00-001-1373 · Item name not on file
6625-00-001-1374
6625-00-001-1374 · Item name not on file
6625-00-001-1377
SWEEP GENERATOR SUBASSEMBLY
Frequently Asked Questions
What is NSN 6625-01-643-4573?
NSN 6625-01-643-4573 is a Generator,signal, manufactured by Keysight Technologies, Inc., classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
What part numbers are listed for NSN 6625-01-643-4573?
NSN 6625-01-643-4573 has 1 manufacturer part number on file: N5181B-503-UNT (Keysight Technologies, Inc.).
What are the specifications of N5181B-503-UNT?
Key specifications for N5181B-503-UNT: Overall Height: 3.5 INCHES NOMINAL IN; Modulation Type: ANY ACCEPTABLE; Fixed Frequency Quantity: 5; Overall Length: 19.2 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6625-01-643-4573 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.