PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4197500-008Washer,flat

Raytheon Company Div Rmd Strategic · NSN 5310-00-209-0375 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-0375 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-0375. Primary manufacturer part number: 4197500-008.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Hole Diameter: 0.188 INCHES NOMINAL IN
  • Overall Diameter: 0.375 INCHES NOMINAL 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 5310-00-209-0375, 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 Div Rmd Strategic. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-209-0375
Primary Part Number4197500-008
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusCANCELLED
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Hole Diameter0.188 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5950-00-009-55273024399 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-880-59780770-8 INTERCHANGEABLE
Washer,flat
Alliant Techsystems Operations Llc Div Defense Electronic Systems
Cross-Reference Index
Part NumberManufacturer
302439-9 Drs Sustainment Systems Inc (USA)
4197500-008 PRIMARY Raytheon Company Div Rmd Strategic (USA)
G302439-9 American Telephone and Telegraph Co (USA)
G302439-9 Lucent Technologies Inc Corporate Headquarters (USA)
34910-67 Gaf Corp Brooklyn Plant (USA)
8924401-5 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
MS15795-307 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
G302439-9 A T and T Tecnologies Inc Sub of American Telephone and Telegraph North Carolina Works
12Z3035-429 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5310002090375 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
MS15795-307 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
302439-9 Drs Sustainment Systems, Inc. (USA)
4197500-008 Raytheon Company Dba Raytheon (USA)
Related Parts
5950-00-009-5527INTERCHANGEABLE
TRANSFORMER,POWER
3024399
5310-00-880-5978INTERCHANGEABLE
WASHER,FLAT
0770-8

Frequently Asked Questions

What is NSN 5310-00-209-0375?

NSN 5310-00-209-0375 is a Washer,flat, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-209-0375?

NSN 5310-00-209-0375 has 13 cross-referenced part numbers: 302439-9 (Drs Sustainment Systems Inc), 4197500-008 (Raytheon Company Div Rmd Strategic), G302439-9 (American Telephone and Telegraph Co), G302439-9 (Lucent Technologies Inc Corporate Headquarters), 34910-67 (Gaf Corp Brooklyn Plant) and 8 more.

What NSN replaces 5310-00-209-0375?

There are 2 known substitutes for 5310-00-209-0375: 5950-00-009-5527, 5310-00-880-5978. Verify interchangeability with system specifications before substitution.

What are the specifications of 4197500-008?

Key specifications for 4197500-008: Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-209-0375 still in active supply?

NSN 5310-00-209-0375 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.
PartsTable Design LLC · partstable.com