PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

446143Washer,flat

Rolls-Royce Solutions America Inc · NSN 5310-00-198-9348 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-198-9348 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-198-9348. Primary manufacturer part number: 446143.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND A CLASS
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-198-9348, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. 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
NSN5310-00-198-9348
Primary Part Number446143
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusCANCELLED
Surface TreatmentCADMIUM OR ZINC OVERALL
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND A CLASS
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.375 INCHES NOMINAL IN
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Hole Diameter0.182 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2940-00-586-47921665311C1 INTERCHANGEABLE
Filter Element,fluid
Navistar Intl Corp Truck Br Ohio Plant
5310-00-809-8544 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
504C2-34-52 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
MS15795-207 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
446143 PRIMARY Rolls-Royce Solutions America Inc (USA)
MS15795-207 PRIMARY Morris Material Handling, Inc. (USA)
446143 General Motors Corp (USA)
1068D100ITEMGG PRIMARY S F Appliance Ltd (USA)
PC446143 Power Components (deutschland) Gmbh (DEU)
PH253 PRIMARY Wisconsin Motors, Llc (USA)
12Z3035-35 Naval Ordnance Standards (USA)
446143 General Motors Llc Dba General Motors Llc (USA)
FFW92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
104-1S8L PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MS15795-207 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
2940-00-586-4792INTERCHANGEABLE
FILTER ELEMENT,FLUID
1665311C1
5310-00-809-8544INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-198-9348?

NSN 5310-00-198-9348 is a Washer,flat, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-198-9348?

NSN 5310-00-198-9348 has 13 cross-referenced part numbers: 504C2-34-52 (Cardwell Condenser Corp Lapointe-Admiral Div), MS15795-207 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 446143 (Rolls-Royce Solutions America Inc), MS15795-207 (Morris Material Handling, Inc.), 446143 (General Motors Corp) and 8 more.

What NSN replaces 5310-00-198-9348?

There are 2 known substitutes for 5310-00-198-9348: 2940-00-586-4792, 5310-00-809-8544. Verify interchangeability with system specifications before substitution.

What are the specifications of 446143?

Key specifications for 446143: Surface Treatment: CADMIUM OR ZINC OVERALL; Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND A CLASS; Material: STEEL OVERALL; Peripheral Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-198-9348 still in active supply?

NSN 5310-00-198-9348 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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