PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9B6743Washer,flat

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-247-8665 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-247-8665 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-247-8665. Primary manufacturer part number: 9B6743.
Features
  • Washer,flat — FSC 5310
  • Material: WOOL COMP 16R2 OVERALL
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: C-F-206,TYPE 1,CL 16R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Minimum Tensile Strength: 500 POUNDS PER SQUARE INCH LBS
  • Thickness: 0.125 INCHES NOMINAL IN
  • Overall Diameter: 1.562 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Wool Comp 16r2 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-247-8665, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-247-8665
Primary Part Number9B6743
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
MaterialWOOL COMP 16R2 OVERALL
Center Hole Shape StyleROUND
Material Document and ClassificationC-F-206,TYPE 1,CL 16R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
Minimum Tensile Strength500 POUNDS PER SQUARE INCH LBS
Thickness0.125 INCHES NOMINAL IN
Overall Diameter1.562 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6625-00-052-15184017626-0702 INTERCHANGEABLE
Ammeter
Raytheon Company Dba Raytheon Co
3010-00-145-8227677-5 INTERCHANGEABLE
Coupling Half,shaft
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5365-00-182-80286775 INTERCHANGEABLE
Ring,drive
Eaton Aerospace, Llc Dba Jackson South
5315-00-233-24116775 INTERCHANGEABLE
Pin,grooved,headless
Cae Usa Inc.
5935-00-259-05656775 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
4820-00-423-209910917051 INTERCHANGEABLE
Cock,shutoff,screw Stem
U S Army Tank Automotive Command Amsta-Im-Mm
5999-00-878-77706775 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
1560-00-886-3337114H2200-14 INTERCHANGEABLE
Support,hydraulic Lines
The Boeing Company
Cross-Reference Index
Part NumberManufacturer
6775 Prestolite Electric Inc (USA)
LN6775 Prestolite Electric Inc (USA)
9B6743 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
14U1417PCDB7847 PRIMARY Naval Ship Systems Command (USA)
75W470 Norfolk Naval Shipyard (USA)
Related Parts
6625-00-052-1518INTERCHANGEABLE
AMMETER
4017626-0702
3010-00-145-8227INTERCHANGEABLE
COUPLING HALF,SHAFT
677-5
5365-00-182-8028INTERCHANGEABLE
RING,DRIVE
6775
5315-00-233-2411INTERCHANGEABLE
PIN,GROOVED,HEADLESS
6775
5935-00-259-0565INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6775
4820-00-423-2099INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM
10917051
5999-00-878-7770INTERCHANGEABLE
CLIP,ELECTRICAL
6775
1560-00-886-3337INTERCHANGEABLE
SUPPORT,HYDRAULIC LINES
114H2200-14

Frequently Asked Questions

What is NSN 5310-00-247-8665?

NSN 5310-00-247-8665 is a Washer,flat, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-247-8665?

NSN 5310-00-247-8665 has 5 cross-referenced part numbers: 6775 (Prestolite Electric Inc), LN6775 (Prestolite Electric Inc), 9B6743 (Caterpillar Inc Div Caterpillar Defense), 14U1417PCDB7847 (Naval Ship Systems Command), 75W470 (Norfolk Naval Shipyard).

What NSN replaces 5310-00-247-8665?

There are 8 known substitutes for 5310-00-247-8665: 6625-00-052-1518, 3010-00-145-8227, 5365-00-182-8028 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9B6743?

Key specifications for 9B6743: Material: WOOL COMP 16R2 OVERALL; Center Hole Shape Style: ROUND; Material Document and Classification: C-F-206,TYPE 1,CL 16R2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-247-8665 still in active supply?

NSN 5310-00-247-8665 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