PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

303775Washer,flat

Brp Us Inc · NSN 5310-00-123-2607 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-123-2607 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-123-2607. Primary manufacturer part number: 303775.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.450 INCHES MINIMUM AND 0.456 INCHES MAXIMUM IN
  • Thickness: 0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-123-2607, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-123-2607
Primary Part Number303775
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusCANCELLED
Overall Diameter0.750 INCHES NOMINAL IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.450 INCHES MINIMUM AND 0.456 INCHES MAXIMUM IN
Thickness0.017 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-809-5998 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
303775 Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors (GBR)
303775 Outboard Marine Corp Johnson Motors Div (USA)
303775 Outboard Marine Corp (USA)
303775 Lewmar Ltd (GBR)
303775 PRIMARY Brp Us Inc (USA)
Related Parts
5310-00-809-5998INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-00-123-2607?

NSN 5310-00-123-2607 is a Washer,flat, manufactured by Brp Us Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-123-2607?

NSN 5310-00-123-2607 has 5 cross-referenced part numbers: 303775 (Simpson-Lawrence Ltd Johnson and Evi Rude Outboard Motors), 303775 (Outboard Marine Corp Johnson Motors Div), 303775 (Outboard Marine Corp), 303775 (Lewmar Ltd), 303775 (Brp Us Inc).

What NSN replaces 5310-00-123-2607?

There is 1 known substitute for 5310-00-123-2607: 5310-00-809-5998. Verify interchangeability with system specifications before substitution.

What are the specifications of 303775?

Key specifications for 303775: Overall Diameter: 0.750 INCHES NOMINAL IN; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 302 OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-123-2607 still in active supply?

NSN 5310-00-123-2607 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