PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305121Plunger Orifice

Vibratech Inc · NSN 1620-00-587-2105 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-587-2105 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-587-2105. Primary manufacturer part number: 305121.
Features
  • Plunger Orifice — FSC 1620
  • 2 verified cross-references
  • Primary manufacturer: Vibratech Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plunger Orifice, cataloged under National Stock Number 1620-00-587-2105, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Vibratech Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePlunger Orifice
FSC / FSG1620 — No Item Name Available (FSG 16)
ManufacturersVibratech Inc (CAGE 74480); Houdaille Industries Inc (CAGE 29500)
Technical Specifications
ParameterValue
NSN1620-00-587-2105
Primary Part Number305121
Item NamePlunger Orifice
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerVibratech Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-615-04131880777 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5815-00-981-7177305121 INTERCHANGEABLE
Teletypewriter Subassembly
Telemechanics Inc
4820-01-275-9060BN-2.0/12-52-L10 PC5 3IN INTERCHANGEABLE
Stem,fluid Valve
Universal Industrial Products Co Div of Core Industries Inc
Cross-Reference Index
Part NumberManufacturer
305121 PRIMARY Vibratech Inc (USA)
305121 Houdaille Industries Inc (USA)
Related Parts
5950-00-615-0413INTERCHANGEABLE
TRANSFORMER,POWER
1880777
5815-00-981-7177INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
305121
4820-01-275-9060INTERCHANGEABLE
STEM,FLUID VALVE
BN-2.0/12-52-L10 PC5 3IN

Frequently Asked Questions

What is NSN 1620-00-587-2105?

NSN 1620-00-587-2105 is a Plunger Orifice, manufactured by Vibratech Inc, classified under FSC 1620 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1620-00-587-2105?

NSN 1620-00-587-2105 has 2 cross-referenced part numbers: 305121 (Vibratech Inc), 305121 (Houdaille Industries Inc).

What NSN replaces 1620-00-587-2105?

There are 3 known substitutes for 1620-00-587-2105: 5950-00-615-0413, 5815-00-981-7177, 4820-01-275-9060. Verify interchangeability with system specifications before substitution.

Is NSN 1620-00-587-2105 still in active supply?

NSN 1620-00-587-2105 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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