PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3433Spacer,spring

Avox Systems Inc Dba Avox Systems Inc · NSN 1620-00-868-5750 · FSC 1620 · No Item Name Available
Verified by PartsTable
NSN 1620-00-868-5750 — this item is cataloged by the U.S. Government under National Stock Number 1620-00-868-5750. Primary manufacturer part number: 3433.
Features
  • Spacer,spring — FSC 1620
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spacer,spring, cataloged under National Stock Number 1620-00-868-5750, is classified within Federal Supply Class 1620 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,spring
FSC / FSG1620 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1620-00-868-5750
Primary Part Number3433
Item NameSpacer,spring
FSC / FSG1620 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-276-6077679279PC13 INTERCHANGEABLE
Grommet,nonmetallic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3020-00-674-7592 INTERCHANGEABLE
Pulley,groove
5935-00-764-15183433 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
3130-00-872-49073433 INTERCHANGEABLE
Pedestal Bearing
Lockheed Martin Corporation Div Rms
5815-00-896-9716 INTERCHANGEABLE
Dust Seal,case
4140-00-951-5395 INTERCHANGEABLE
Impeller,fan,axial
5340-01-028-549310674008 INTERCHANGEABLE
Bolt,cremone
Us Army Aviation and Missile Command
3120-01-246-2643 INTERCHANGEABLE
Bushing,sleeve
4720-01-272-4388520N-0106-2-4-3-21 3/8 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corp Div Parflex Division
5935-01-295-1342 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
3433 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5325-00-276-6077INTERCHANGEABLE
GROMMET,NONMETALLIC
679279PC13
3020-00-674-7592INTERCHANGEABLE
PULLEY,GROOVE
5935-00-764-1518INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3433
3130-00-872-4907INTERCHANGEABLE
PEDESTAL BEARING
3433
5815-00-896-9716INTERCHANGEABLE
DUST SEAL,CASE
4140-00-951-5395INTERCHANGEABLE
IMPELLER,FAN,AXIAL
5340-01-028-5493INTERCHANGEABLE
BOLT,CREMONE
10674008
3120-01-246-2643INTERCHANGEABLE
BUSHING,SLEEVE
4720-01-272-4388INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
520N-0106-2-4-3-21 3/8
5935-01-295-1342INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1005-01-462-5155INTERCHANGEABLE
BOLT,BREECH
3433
6610-01-532-4174INTERCHANGEABLE
ALTIMETER,PRESSURE
34-3-3

Frequently Asked Questions

What is NSN 1620-00-868-5750?

NSN 1620-00-868-5750 is a Spacer,spring, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1620 (No Item Name Available). Status: active.

What are the part numbers for NSN 1620-00-868-5750?

NSN 1620-00-868-5750 has 1 cross-referenced part number: 3433 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1620-00-868-5750?

There are 12 known substitutes for 1620-00-868-5750: 5325-00-276-6077, 3020-00-674-7592, 5935-00-764-1518 and 9 more. Verify interchangeability with system specifications before substitution.

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