PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6511Washer,flat

Fasteners Inc. · NSN 5310-01-546-6111 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-546-6111 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-546-6111. Primary manufacturer part number: 6511.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.312 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • 2 verified cross-references
  • Primary manufacturer: Fasteners Inc.
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 5310-01-546-6111, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fasteners Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-546-6111
Primary Part Number6511
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFasteners Inc.
StatusACTIVE
Thickness0.312 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6188104923 INTERCHANGEABLE
Ball,bearing
Brinkley Technology Group Llc Dba Hercules Manufacturing
3110-00-101-3515458-453X INTERCHANGEABLE
Bearing,roller,tapered
Carver Pump Company
5342-00-103-3276 INTERCHANGEABLE
Bracket,actuator Inlet
5310-00-141-1568 INTERCHANGEABLE
Nut,eye
6105-00-177-454365-11 INTERCHANGEABLE
Motor,alternating Current
Arc Systems Inc
5330-00-579-8101102748 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
2040-00-633-6022 INTERCHANGEABLE
Shaft Log
3020-01-218-82085901W11G702 INTERCHANGEABLE
Pulley,flat
Ametek Inc Div Aerospace and Defense
5962-01-269-318251065-0011 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc Dba Honeywell
2520-01-272-39436511 INTERCHANGEABLE
Clutch Assembly,friction
London Machinery Inc
Cross-Reference Index
Part NumberManufacturer
6511 PRIMARY Fasteners Inc. (USA)
1193.10L.0.11 PRIMARY Fasteners Inc. (USA)
Related Parts
3110-00-100-6188INTERCHANGEABLE
BALL,BEARING
104923
3110-00-101-3515INTERCHANGEABLE
BEARING,ROLLER,TAPERED
458-453X
5342-00-103-3276INTERCHANGEABLE
BRACKET,ACTUATOR INLET
5310-00-141-1568INTERCHANGEABLE
NUT,EYE
6105-00-177-4543INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
65-11
5330-00-579-8101INTERCHANGEABLE
GASKET
102748
2040-00-633-6022INTERCHANGEABLE
SHAFT LOG
3020-01-218-8208INTERCHANGEABLE
PULLEY,FLAT
5901W11G702
5962-01-269-3182INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
51065-0011
2520-01-272-3943INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
6511
7530-01-536-2659INTERCHANGEABLE
PAPER,DURACOPY WATERPROOF COPIER
6511
5210-01-562-3432INTERCHANGEABLE
METER,RANGE,LASER
3508185

Frequently Asked Questions

What is NSN 5310-01-546-6111?

NSN 5310-01-546-6111 is a Washer,flat, manufactured by Fasteners Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-546-6111?

NSN 5310-01-546-6111 has 2 cross-referenced part numbers: 6511 (Fasteners Inc.), 1193.10L.0.11 (Fasteners Inc.).

What NSN replaces 5310-01-546-6111?

There are 12 known substitutes for 5310-01-546-6111: 3110-00-100-6188, 3110-00-101-3515, 5342-00-103-3276 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6511?

Key specifications for 6511: Thickness: 0.312 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Special Features: MATERIAL IS 18-8 STAINLESS STEEL; Cross-Sectional Shape Style: RECTANGULAR. 6 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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