PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21011-2Ring,retaining

Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution · NSN 5325-00-101-2831 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-101-2831 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-101-2831. Primary manufacturer part number: 21011-2.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Usage Design: EXTERNAL
  • Ring Style: STRAIGHT GAP
  • Surface Treatment: PASSIVATE
  • Material: STEEL CORROSION RESISTING
  • Inside Diameter: 0.770 INCHES NOMINAL IN
  • Outside Diameter: 0.890 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-101-2831, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-101-2831
Primary Part Number21011-2
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerEaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Usage DesignEXTERNAL
Ring StyleSTRAIGHT GAP
Surface TreatmentPASSIVATE
MaterialSTEEL CORROSION RESISTING
Inside Diameter0.770 INCHES NOMINAL IN
Outside Diameter0.890 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
End Style90 DEGREE PARALLEL
Material Diameter0.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-586-0780210112 INTERCHANGEABLE
Pin,straight,headless
Woodward, Inc. Div Fuel Systems and Controls
4730-00-595-2572SAE J246 8-8 120202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5905-00-752-6962210-112 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
4730-00-825-2123 INTERCHANGEABLE
Elbow,pipe
5841-01-101-100021011-2 INTERCHANGEABLE
Housing,receiver
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
21011-2 Satair A/s (DNK)
21011-2 PRIMARY Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
Related Parts
5315-00-586-0780INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
210112
4730-00-595-2572INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J246 8-8 120202BA
5905-00-752-6962INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-112
4730-00-825-2123INTERCHANGEABLE
ELBOW,PIPE
5841-01-101-1000INTERCHANGEABLE
HOUSING,RECEIVER
21011-2

Frequently Asked Questions

What is NSN 5325-00-101-2831?

NSN 5325-00-101-2831 is a Ring,retaining, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-101-2831?

NSN 5325-00-101-2831 has 2 cross-referenced part numbers: 21011-2 (Satair A/s), 21011-2 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).

What NSN replaces 5325-00-101-2831?

There are 5 known substitutes for 5325-00-101-2831: 5315-00-586-0780, 4730-00-595-2572, 5905-00-752-6962 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21011-2?

Key specifications for 21011-2: Casehardening Indicator: NOT CASEHARDENED; Usage Design: EXTERNAL; Ring Style: STRAIGHT GAP; Surface Treatment: PASSIVATE. 10 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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