PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y151Resonator,tuning Fork

Power Control Devices, Inc. · NSN 6625-00-643-1409 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-1409 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-1409. Primary manufacturer part number: Y151.
Features
  • Resonator,tuning Fork — FSC 6625
  • Mounting Stud Length: 0.625 INCHES NOMINAL IN
  • Mounting Hole/stud Quantity: 4
  • Resonant Frequency: 800.0 HERTZ
  • Center to Center Distance Between Mounting Holes/studs: 1.250 INCHES NOMINAL IN
  • Terminal Quantity: 2
  • Terminal Type: SOLDER LUG
  • Mounting Hole/stud Size: NO.8-32
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Resonator,tuning Fork, cataloged under National Stock Number 6625-00-643-1409, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Power Control Devices, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-1409
Primary Part NumberY151
Item NameResonator,tuning Fork
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPower Control Devices, Inc.
StatusACTIVE
Mounting Stud Length0.625 INCHES NOMINAL IN
Mounting Hole/stud Quantity4
Resonant Frequency800.0 HERTZ
Center to Center Distance Between Mounting Holes/studs1.250 INCHES NOMINAL IN
Terminal Quantity2
Terminal TypeSOLDER LUG
Mounting Hole/stud SizeNO.8-32
Hermetically Sealed CaseINCLUDED
Mounting MethodSTUD(S)
Mounting Stud Length0.625 INCHES NOMINAL IN
Mounting Hole/stud Quantity4
Resonant Frequency800.0 HERTZ
Center to Center Distance Between Mounting Holes/studs1.250 INCHES NOMINAL IN
Terminal Quantity2
Terminal TypeSOLDER LUG
Mounting Hole/stud SizeNO.8-32
Hermetically Sealed CaseINCLUDED
Mounting MethodSTUD(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodePN
Verified Substitutes 5
5306-00-358-024190890 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
2530-00-563-8316711301 INTERCHANGEABLE
Adapter,master Cyli
General Motors Corp
5310-01-315-3509 INTERCHANGEABLE
Nut,eye
5120-01-335-8261Y151 INTERCHANGEABLE
Die,crimping Tool
Daniels Manufacturing Corporation
8465-01-517-477490890 INTERCHANGEABLE
Valve,hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
90-890 Raytheon Company Div Corp (USA)
1728-800T Power Control Devices, Inc. (USA)
Y151 PRIMARY Power Control Devices, Inc. (USA)
Related Parts
5306-00-358-0241INTERCHANGEABLE
BOLT,MACHINE
90890
2530-00-563-8316INTERCHANGEABLE
ADAPTER,MASTER CYLI
711301
5310-01-315-3509INTERCHANGEABLE
NUT,EYE
5120-01-335-8261INTERCHANGEABLE
DIE,CRIMPING TOOL
Y151
8465-01-517-4774INTERCHANGEABLE
VALVE,HYDRATION SYSTEM
90890

Frequently Asked Questions

What is NSN 6625-00-643-1409?

NSN 6625-00-643-1409 is a Resonator,tuning Fork, manufactured by Power Control Devices, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-1409?

NSN 6625-00-643-1409 has 3 cross-referenced part numbers: 90-890 (Raytheon Company Div Corp), 1728-800T (Power Control Devices, Inc.), Y151 (Power Control Devices, Inc.).

What NSN replaces 6625-00-643-1409?

There are 5 known substitutes for 6625-00-643-1409: 5306-00-358-0241, 2530-00-563-8316, 5310-01-315-3509 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Y151?

Key specifications for Y151: Mounting Stud Length: 0.625 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 4; Resonant Frequency: 800.0 HERTZ; Center to Center Distance Between Mounting Holes/studs: 1.250 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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