PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9320-09Washer,flat

Rolls Royce Corp · NSN 5310-01-497-4189 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-497-4189 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-497-4189. Primary manufacturer part number: MS9320-09.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material: STEEL OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
  • Thickness: 0.062 INCHES NOMINAL IN
  • Overall Diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
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 5310-01-497-4189, 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 Corp. Government technical data includes 7 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
NSN5310-01-497-4189
Primary Part NumberMS9320-09
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls Royce Corp
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
MaterialSTEEL OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
Thickness0.062 INCHES NOMINAL IN
Overall Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-188-3744 INTERCHANGEABLE
Washer,flat
5310-01-670-1707 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
MS9320-09 PRIMARY Rolls Royce Corp (USA)
Related Parts
5310-00-188-3744INTERCHANGEABLE
WASHER,FLAT
5310-01-670-1707INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-497-4189?

NSN 5310-01-497-4189 is a Washer,flat, manufactured by Rolls Royce Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-497-4189?

NSN 5310-01-497-4189 has 1 cross-referenced part number: MS9320-09 (Rolls Royce Corp).

What NSN replaces 5310-01-497-4189?

There are 2 known substitutes for 5310-01-497-4189: 5310-00-188-3744, 5310-01-670-1707. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9320-09?

Key specifications for MS9320-09: Cross-Sectional Shape Style: RECTANGULAR; Material: STEEL OVERALL; Peripheral Shape Style: ROUND; Hole Diameter: 0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN. 9 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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