PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68166Socket,ring Assembl

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-01-222-9664 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-222-9664 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-222-9664. Primary manufacturer part number: 68166.
Features
  • Socket,ring Assembl — FSC 4320
  • 7 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Socket,ring Assembl, cataloged under National Stock Number 4320-01-222-9664, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSocket,ring Assembl
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEaton Aerospace, Llc Dba Jackson South (CAGE 62983); Reidville Hydraulics & Mfg Inc (CAGE 0BTV3); Naval Ship Systems Command (CAGE 80064)
Technical Specifications
ParameterValue
NSN4320-01-222-9664
Primary Part Number68166
Item NameSocket,ring Assembl
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3120-00-516-09323203341 INTERCHANGEABLE
Bushing,sleeve
Hatch & Kirk, Inc.
5930-01-181-00546P3236 INTERCHANGEABLE
Switch,rotary
Caterpillar Inc Div Caterpillar Defense
4320-01-222-966597505 INTERCHANGEABLE
Socket Ring
Reidville Hydraulics & Mfg Inc
5995-01-399-031668166-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Orbit International Corp. Div Orbit Instrument
5995-01-399-031768166-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Orbit International Corp. Div Orbit Instrument
5910-01-554-315268399 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Espey Mfg and Electronics Corp
Cross-Reference Index
Part NumberManufacturer
68399 PIECE 23 Eaton Aerospace, Llc Dba Jackson South (USA)
68166 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
68166 Reidville Hydraulics & Mfg Inc (USA)
3203341 Naval Ship Systems Command (USA)
68399 Eaton Aerospace, Llc Dba Jackson South (USA)
68399 Reidville Hydraulics & Mfg Inc (USA)
68399 PIECE 23 Reidville Hydraulics & Mfg Inc (USA)
Related Parts
3120-00-516-0932INTERCHANGEABLE
BUSHING,SLEEVE
3203341
5930-01-181-0054INTERCHANGEABLE
SWITCH,ROTARY
6P3236
4320-01-222-9665INTERCHANGEABLE
SOCKET RING
97505
5995-01-399-0316INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
68166-1
5995-01-399-0317INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
68166-2
5910-01-554-3152INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
68399

Frequently Asked Questions

What is NSN 4320-01-222-9664?

NSN 4320-01-222-9664 is a Socket,ring Assembl, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-222-9664?

NSN 4320-01-222-9664 has 7 cross-referenced part numbers: 68399 PIECE 23 (Eaton Aerospace, Llc Dba Jackson South), 68166 (Eaton Aerospace, Llc Dba Jackson South), 68166 (Reidville Hydraulics & Mfg Inc), 3203341 (Naval Ship Systems Command), 68399 (Eaton Aerospace, Llc Dba Jackson South) and 2 more.

What NSN replaces 4320-01-222-9664?

There are 6 known substitutes for 4320-01-222-9664: 3120-00-516-0932, 5930-01-181-0054, 4320-01-222-9665 and 3 more. Verify interchangeability with system specifications before substitution.

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