PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21859Washer,spring Tension

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5310-01-080-9226 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-080-9226 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-080-9226. Primary manufacturer part number: 21859.
Features
  • Washer,spring Tension — FSC 5310
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1050 OVERALL
  • Material Thickness: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN
  • Surface Treatment: PHOSPHATE OVERALL
  • Outside Diameter: 0.265 INCHES MINIMUM AND 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM0.275 INCHES MAXIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM44.0 ROCKWELL C MAXIMUM
  • Style Designator: SPRING TENSION
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-080-9226, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5310-01-080-9226
Primary Part Number21859
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1050 OVERALL
Material Thickness0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE OVERALL
Outside Diameter0.265 INCHES MINIMUM AND 0.265 INCHES MINIMUM AND 0.275 INCHES MAXIMUM0.275 INCHES MAXIMUM IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM44.0 ROCKWELL C MAXIMUM
Style DesignatorSPRING TENSION
Hole Diameter0.116 INCHES MINIMUM AND 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM0.123 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-198-1920MA5315TV INTERCHANGEABLE
Bearing,roller,cylindrical
Rexnord Industries, Llc Div Aerosspace Bearing Operation
5310-00-233-58911320490 INTERCHANGEABLE
Washer,flat
Chrysler Realty Company Llc Dba Daimler Chrysler
3455-00-516-508719819 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
Cross-Reference Index
Part NumberManufacturer
21859 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
B52200F006 Freescale Semiconductor, Inc. (USA)
210-1122-00 Seastrom Manufacturing Co Inc (USA)
210-1122-00 Tektronix, Inc. (USA)
Related Parts
3110-00-198-1920INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
MA5315TV
5310-00-233-5891INTERCHANGEABLE
WASHER,FLAT
1320490
3455-00-516-5087INTERCHANGEABLE
REAMER,MACHINE
19819

Frequently Asked Questions

What is NSN 5310-01-080-9226?

NSN 5310-01-080-9226 is a Washer,spring Tension, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-080-9226?

NSN 5310-01-080-9226 has 4 cross-referenced part numbers: 21859 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), B52200F006 (Freescale Semiconductor, Inc.), 210-1122-00 (Seastrom Manufacturing Co Inc), 210-1122-00 (Tektronix, Inc.).

What NSN replaces 5310-01-080-9226?

There are 3 known substitutes for 5310-01-080-9226: 3110-00-198-1920, 5310-00-233-5891, 3455-00-516-5087. Verify interchangeability with system specifications before substitution.

What are the specifications of 21859?

Key specifications for 21859: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Height: 0.042 INCHES MINIMUM AND 0.042 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM IN; Material: STEEL COMP 1050 OVERALL; Material Thickness: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN. 9 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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