PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B0500-025SWasher,spring Tension

Barnes Group Inc · NSN 5310-00-526-1909 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-526-1909 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-526-1909. Primary manufacturer part number: B0500-025S.
Features
  • Washer,spring Tension — FSC 5310
  • Material: STEEL COMP 302 OVERALL
  • Outside Diameter: 0.500 INCHES MAXIMUM IN
  • Style Designator: SPRING TENSION
  • Material Thickness: 0.025 INCHES NOMINAL IN
  • Hole Diameter: 0.255 INCHES MINIMUM IN
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • 6 verified cross-references
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 5310-00-526-1909, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-526-1909
Primary Part NumberB0500-025S
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBarnes Group Inc
StatusCANCELLED
MaterialSTEEL COMP 302 OVERALL
Outside Diameter0.500 INCHES MAXIMUM IN
Style DesignatorSPRING TENSION
Material Thickness0.025 INCHES NOMINAL IN
Hole Diameter0.255 INCHES MINIMUM IN
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3130-00-562-59051281446 INTERCHANGEABLE
Bearing Unit,ball
Naval Ship Systems Command
5331-00-819-51113684372C1 INTERCHANGEABLE
O-Ring
Nd Defense Llc
5310-00-823-5025 INTERCHANGEABLE
Washer,spring Tension
5310-00-875-8074A2115 INTERCHANGEABLE
Nut,plain,hexagon
Kelly Manufacturing Company
5835-00-896-9596 INTERCHANGEABLE
Tape Guide
4930-01-149-9270D624 INTERCHANGEABLE
Guard,belt
Elliott Machine Works Inc
5310-01-218-3056D6-24 INTERCHANGEABLE
Washer,spring Tension
Roller Bearing Co of America, Inc Div Pic Design
5310-01-271-9603 INTERCHANGEABLE
Washer,spring Tension
Cross-Reference Index
Part NumberManufacturer
11501111-3 Us Army Aviation and Missile Command (USA)
11504341-3 Us Army Aviation and Missile Command (USA)
A211-5 Zf Industrieantriebe Witten Gmbh (DEU)
D6-24 Zf Industrieantriebe Witten Gmbh (DEU)
B0500-025S PRIMARY Barnes Group Inc (USA)
A03764 Mbda Uk Ltd (GBR)
Related Parts
3130-00-562-5905INTERCHANGEABLE
BEARING UNIT,BALL
1281446
5331-00-819-5111INTERCHANGEABLE
O-RING
3684372C1
5310-00-823-5025INTERCHANGEABLE
WASHER,SPRING TENSION
5310-00-875-8074INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A2115
5835-00-896-9596INTERCHANGEABLE
TAPE GUIDE
4930-01-149-9270INTERCHANGEABLE
GUARD,BELT
D624
5310-01-218-3056INTERCHANGEABLE
WASHER,SPRING TENSION
D6-24
5310-01-271-9603INTERCHANGEABLE
WASHER,SPRING TENSION

Frequently Asked Questions

What is NSN 5310-00-526-1909?

NSN 5310-00-526-1909 is a Washer,spring Tension, manufactured by Barnes Group Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-526-1909?

NSN 5310-00-526-1909 has 6 cross-referenced part numbers: 11501111-3 (Us Army Aviation and Missile Command), 11504341-3 (Us Army Aviation and Missile Command), A211-5 (Zf Industrieantriebe Witten Gmbh), D6-24 (Zf Industrieantriebe Witten Gmbh), B0500-025S (Barnes Group Inc) and 1 more.

What NSN replaces 5310-00-526-1909?

There are 8 known substitutes for 5310-00-526-1909: 3130-00-562-5905, 5331-00-819-5111, 5310-00-823-5025 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B0500-025S?

Key specifications for B0500-025S: Material: STEEL COMP 302 OVERALL; Outside Diameter: 0.500 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Overall Height: 0.038 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-526-1909 still in active supply?

NSN 5310-00-526-1909 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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