PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12687Washer,flat

Roanwell, Llc · NSN 5310-00-298-0686 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-298-0686 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-298-0686. Primary manufacturer part number: 12687.
Features
  • Washer,flat — FSC 5310
  • Material: RUBBER SYNTHETIC OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 1.250 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.094 INCHES NOMINAL IN
  • Overall Diameter: 1.375 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-298-0686, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roanwell, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-298-0686
Primary Part Number12687
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoanwell, Llc
StatusCANCELLED
MaterialRUBBER SYNTHETIC OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Hole Diameter1.250 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.094 INCHES NOMINAL IN
Overall Diameter1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-30776386 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5340-00-290-36376009-4 INTERCHANGEABLE
Clamp,loop
Kurz & Root Generator Company, Llc
5330-00-292-162212687 INTERCHANGEABLE
Seal,plain Encased
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5360-00-316-401612687 INTERCHANGEABLE
Spring,helical,compression
O. C. Keckley Company
6150-00-374-3179XH-5279 INTERCHANGEABLE
Lead,electrical
Heale Manufacturing Co Llc
5960-00-636-2244 INTERCHANGEABLE
Electron Tube
3040-00-676-298512687 INTERCHANGEABLE
Bell Crank
Triumph Controls, Llc Dba Triumph Controls, Llc
5960-00-821-5031 INTERCHANGEABLE
Electron Tube
2915-00-963-96316386 INTERCHANGEABLE
Venturi,carburetor
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5330-01-021-9784 INTERCHANGEABLE
Seal,oil
Cross-Reference Index
Part NumberManufacturer
12687 PRIMARY Roanwell, Llc (USA)
6386 PRIMARY Telephonics Corp (USA)
Related Parts
3110-00-100-3077INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
6386
5340-00-290-3637INTERCHANGEABLE
CLAMP,LOOP
6009-4
5330-00-292-1622INTERCHANGEABLE
SEAL,PLAIN ENCASED
12687
5360-00-316-4016INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12687
6150-00-374-3179INTERCHANGEABLE
LEAD,ELECTRICAL
XH-5279
5960-00-636-2244INTERCHANGEABLE
ELECTRON TUBE
3040-00-676-2985INTERCHANGEABLE
BELL CRANK
12687
5960-00-821-5031INTERCHANGEABLE
ELECTRON TUBE
2915-00-963-9631INTERCHANGEABLE
VENTURI,CARBURETOR
6386
5330-01-021-9784INTERCHANGEABLE
SEAL,OIL
5310-01-176-4266INTERCHANGEABLE
NUT,PACKING,VALVE,SPECIAL
6386
5330-01-337-9037INTERCHANGEABLE
SEAL,PLAIN ENCASED
62224

Frequently Asked Questions

What is NSN 5310-00-298-0686?

NSN 5310-00-298-0686 is a Washer,flat, manufactured by Roanwell, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-298-0686?

NSN 5310-00-298-0686 has 2 cross-referenced part numbers: 12687 (Roanwell, Llc), 6386 (Telephonics Corp).

What NSN replaces 5310-00-298-0686?

There are 12 known substitutes for 5310-00-298-0686: 3110-00-100-3077, 5340-00-290-3637, 5330-00-292-1622 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12687?

Key specifications for 12687: Material: RUBBER SYNTHETIC OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Hole Diameter: 1.250 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-298-0686 still in active supply?

NSN 5310-00-298-0686 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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