PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

440110Washer,flat

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5310-00-883-0509 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-883-0509 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-883-0509. Primary manufacturer part number: 440110.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Hardness Rating: 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM
  • Overall Diameter: 0.531 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Natural or Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-883-0509, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-883-0509
Primary Part Number440110
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Center Hole Shape StyleROUND
MaterialRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
Hole Diameter0.250 INCHES NOMINAL IN
Hardness Rating35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM
Overall Diameter0.531 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5945-01-112-0148440110 INTERCHANGEABLE
Solenoid,electrical
Ramsey Winch Co
5985-01-232-05604401-10 INTERCHANGEABLE
Attenuator,fixed
Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
Cross-Reference Index
Part NumberManufacturer
440110 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5945-01-112-0148INTERCHANGEABLE
SOLENOID,ELECTRICAL
440110
5985-01-232-0560INTERCHANGEABLE
ATTENUATOR,FIXED
4401-10

Frequently Asked Questions

What is NSN 5310-00-883-0509?

NSN 5310-00-883-0509 is a Washer,flat, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-883-0509?

NSN 5310-00-883-0509 has 1 cross-referenced part number: 440110 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 5310-00-883-0509?

There are 2 known substitutes for 5310-00-883-0509: 5945-01-112-0148, 5985-01-232-0560. Verify interchangeability with system specifications before substitution.

What are the specifications of 440110?

Key specifications for 440110: Center Hole Shape Style: ROUND; Material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL; Hole Diameter: 0.250 INCHES NOMINAL IN; Hardness Rating: 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM. 8 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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