PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26520Ring,retaining

Parker-Hannifin Corporation Dba Control Systems Division · NSN 5325-00-816-4946 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-816-4946 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-816-4946. Primary manufacturer part number: 26520.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Material: STEEL COMP 301
  • Material Document and Classification: MIL-S-5059,COMPOSITION 301,CONDITION 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
  • Ring Style: STRAIGHT GAP
  • Inside Diameter: 0.985 INCHES NOMINAL IN
  • Usage Design: EXTERNAL
  • End Style: 90 DEGREE PARALLEL
Applications
  • Applications requiring Steel Comp 301 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-816-4946, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Control Systems Division. Government technical data includes 10 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-816-4946
Primary Part Number26520
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Control Systems Division
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
MaterialSTEEL COMP 301
Material Document and ClassificationMIL-S-5059,COMPOSITION 301,CONDITION 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE
Ring StyleSTRAIGHT GAP
Inside Diameter0.985 INCHES NOMINAL IN
Usage DesignEXTERNAL
End Style90 DEGREE PARALLEL
Outside Diameter1.175 INCHES NOMINAL IN
Major Thickness0.036 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4720-00-235-176226520 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5935-00-347-0898HBL26520 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2640-00-537-225170-HT-GOVT INTERCHANGEABLE
Valve Core
Dill Air Controls Products Llc Dba Dill Air Controls Products Llc
Cross-Reference Index
Part NumberManufacturer
26520 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
Related Parts
4720-00-235-1762INTERCHANGEABLE
HOSE,PREFORMED
26520
5935-00-347-0898INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HBL26520
2640-00-537-2251INTERCHANGEABLE
VALVE CORE
70-HT-GOVT

Frequently Asked Questions

What is NSN 5325-00-816-4946?

NSN 5325-00-816-4946 is a Ring,retaining, manufactured by Parker-Hannifin Corporation Dba Control Systems Division, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-816-4946?

NSN 5325-00-816-4946 has 1 cross-referenced part number: 26520 (Parker-Hannifin Corporation Dba Control Systems Division).

What NSN replaces 5325-00-816-4946?

There are 3 known substitutes for 5325-00-816-4946: 4720-00-235-1762, 5935-00-347-0898, 2640-00-537-2251. Verify interchangeability with system specifications before substitution.

What are the specifications of 26520?

Key specifications for 26520: Casehardening Indicator: NOT CASEHARDENED; Special Features: 3/8 IN. GAP OPENING WIDTH IN; Material: STEEL COMP 301; Material Document and Classification: MIL-S-5059,COMPOSITION 301,CONDITION 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE. 11 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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