PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41232-28Washer,flat

Triumph Engine Control Systems Llc · NSN 5310-00-618-2004 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-618-2004 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-618-2004. Primary manufacturer part number: 41232-28.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.670 INCHES NOMINAL IN
  • Hole Diameter: 0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Material Document and Classification: AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 63.0 MICROINCHES BOTTOM
  • Surface Finish: 63.0 MICROINCHES TOP
  • Hole Width Across Flats: 0.425 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-618-2004, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-618-2004
Primary Part Number41232-28
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Overall Diameter0.670 INCHES NOMINAL IN
Hole Diameter0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Material Document and ClassificationAMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish63.0 MICROINCHES BOTTOM
Surface Finish63.0 MICROINCHES TOP
Hole Width Across Flats0.425 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Hardness Rating55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM
Thickness0.027 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND W/FLATS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-054-5641 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
41232-28 Goodrich Control Systems Gmbh (DEU)
41232-28 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
5305-00-054-5641INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5310-00-618-2004?

NSN 5310-00-618-2004 is a Washer,flat, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-618-2004?

NSN 5310-00-618-2004 has 2 cross-referenced part numbers: 41232-28 (Goodrich Control Systems Gmbh), 41232-28 (Triumph Engine Control Systems Llc).

What NSN replaces 5310-00-618-2004?

There is 1 known substitute for 5310-00-618-2004: 5305-00-054-5641. Verify interchangeability with system specifications before substitution.

What are the specifications of 41232-28?

Key specifications for 41232-28: Overall Diameter: 0.670 INCHES NOMINAL IN; Hole Diameter: 0.470 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; Material Document and Classification: AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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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