PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

410909-25Washer,flat

Raytheon Company Dba Raytheon · NSN 5310-00-900-4536 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-900-4536 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-900-4536. Primary manufacturer part number: 410909-25.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
  • Hole Diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-900-4536, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-900-4536
Primary Part Number410909-25
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Material Document and ClassificationQQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
Thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
Hole Diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleROUND
Overall Diameter0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-515-7449 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
410909-25 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5310-00-515-7449INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-900-4536?

NSN 5310-00-900-4536 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-900-4536?

NSN 5310-00-900-4536 has 1 cross-referenced part number: 410909-25 (Raytheon Company Dba Raytheon).

What NSN replaces 5310-00-900-4536?

There is 1 known substitute for 5310-00-900-4536: 5310-00-515-7449. Verify interchangeability with system specifications before substitution.

What are the specifications of 410909-25?

Key specifications for 410909-25: Material Document and Classification: QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL; Thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL; Hole Diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN. 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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