PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69573Retainer,spring

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-00-479-4201 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-479-4201 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-479-4201. Primary manufacturer part number: 69573.
Features
  • Retainer,spring — FSC 4320
  • General Characteristics Item Description: STEEL MIL-S-5626,0.300 IN. O/A H,0.370 IN. O/A W,1.180 IN. O/A LG,TWO THRU HOLES 0.180 IN. DIA 0.760 IN. C TO C IN
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Retainer,spring, cataloged under National Stock Number 4320-00-479-4201, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-479-4201
Primary Part Number69573
Item NameRetainer,spring
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
General Characteristics Item DescriptionSTEEL MIL-S-5626,0.300 IN. O/A H,0.370 IN. O/A W,1.180 IN. O/A LG,TWO THRU HOLES 0.180 IN. DIA 0.760 IN. C TO C IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-661-1168 INTERCHANGEABLE
Wrench,box
5310-01-080-00302915011007 INTERCHANGEABLE
Nut,plain,hexagon
Hatz Diesel of America Inc
5360-01-094-338469-573 INTERCHANGEABLE
Spring,helical,extension
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
6105-01-119-546556C17F349 INTERCHANGEABLE
Motor,alternating Current
Tuthill Corporation Dba Tuthill Pump Group
Cross-Reference Index
Part NumberManufacturer
69573 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
Related Parts
5120-00-661-1168INTERCHANGEABLE
WRENCH,BOX
5310-01-080-0030INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2915011007
5360-01-094-3384INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
69-573
6105-01-119-5465INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
56C17F349

Frequently Asked Questions

What is NSN 4320-00-479-4201?

NSN 4320-00-479-4201 is a Retainer,spring, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-479-4201?

NSN 4320-00-479-4201 has 1 cross-referenced part number: 69573 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 4320-00-479-4201?

There are 4 known substitutes for 4320-00-479-4201: 5120-00-661-1168, 5310-01-080-0030, 5360-01-094-3384 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 69573?

Key specifications for 69573: General Characteristics Item Description: STEEL MIL-S-5626,0.300 IN. O/A H,0.370 IN. O/A W,1.180 IN. O/A LG,TWO THRU HOLES 0.180 IN. DIA 0.760 IN. C TO C IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com