PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-54188Seal Assembly,shaft,spring Loade

Eaton Corporation Dba Eaton Inoac Div Eaton · NSN 4320-01-183-2012 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-183-2012 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-183-2012. Primary manufacturer part number: A-54188.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: ASSEMBLY CONSIST OF CUP;WASHER;SPRING;CHANNEL;SEAL NOSE;PACKING,PREFORMED
  • 3 verified cross-references
  • Primary manufacturer: Eaton Corporation Dba Eaton Inoac Div Eaton
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-183-2012, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-183-2012
Primary Part NumberA-54188
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Corporation Dba Eaton Inoac Div Eaton
StatusACTIVE
General Characteristics Item DescriptionASSEMBLY CONSIST OF CUP;WASHER;SPRING;CHANNEL;SEAL NOSE;PACKING,PREFORMED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-555-0819 INTERCHANGEABLE
Beam,structural
4310-00-607-348318387 INTERCHANGEABLE
Connecting Rod,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
4820-00-918-486518387 INTERCHANGEABLE
Disk,valve
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
A-54188 PRIMARY Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
99-5062 Hamilton Sundstrand Corporation (USA)
1-838-7 Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
Related Parts
9540-00-555-0819INTERCHANGEABLE
BEAM,STRUCTURAL
4310-00-607-3483INTERCHANGEABLE
CONNECTING ROD,PISTON
18387
4820-00-918-4865INTERCHANGEABLE
DISK,VALVE
18387

Frequently Asked Questions

What is NSN 4320-01-183-2012?

NSN 4320-01-183-2012 is a Seal Assembly,shaft,spring Loade, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-183-2012?

NSN 4320-01-183-2012 has 3 cross-referenced part numbers: A-54188 (Eaton Corporation Dba Eaton Inoac Div Eaton), 99-5062 (Hamilton Sundstrand Corporation), 1-838-7 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove).

What NSN replaces 4320-01-183-2012?

There are 3 known substitutes for 4320-01-183-2012: 9540-00-555-0819, 4310-00-607-3483, 4820-00-918-4865. Verify interchangeability with system specifications before substitution.

What are the specifications of A-54188?

Key specifications for A-54188: General Characteristics Item Description: ASSEMBLY CONSIST OF CUP;WASHER;SPRING;CHANNEL;SEAL NOSE;PACKING,PREFORMED. 1 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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