PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CYRD836-3Washer,flat

Ge Aviation Systems Llc Dba Ge Aviation Systems Llc · NSN 5310-00-205-8740 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-205-8740 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-205-8740. Primary manufacturer part number: CYRD836-3.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.016 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-766,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Material: STEEL COMP 304 OVERALL
  • Hole Diameter: 0.189 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-205-8740, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5310-00-205-8740
Primary Part NumberCYRD836-3
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGe Aviation Systems Llc Dba Ge Aviation Systems Llc
StatusCANCELLED
Thickness0.016 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-766,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
MaterialSTEEL COMP 304 OVERALL
Hole Diameter0.189 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN
Hardness Rating25.0 ROCKWELL C MINIMUM
Cross-Sectional Shape StyleRECTANGULAR
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-057-1037 INTERCHANGEABLE
Screw,cap,hexagon Head
6145-00-060-9516HP3-EXBHB93 INTERCHANGEABLE
Wire,electrical
National Electrical Mfrs Assn Dba Nema
5320-00-178-8720HL11VAP-6-7 INTERCHANGEABLE
Pin-Rivet
Hi-Shear Corporation
5120-00-227-4753 INTERCHANGEABLE
Wrench Set,valve
3120-00-337-70683308226 INTERCHANGEABLE
Bearing,sleeve
Hatch & Kirk, Inc.
4140-00-404-6212362 INTERCHANGEABLE
Fan,centrifugal
Broan-Nutone Llc Dba Broan
5945-00-655-314637SB9 INTERCHANGEABLE
Relay,electromagnetic
Dri Relays Inc. Dba Dri Relays Inc
5975-00-683-27398720 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
5310-00-840-1321463952-2 INTERCHANGEABLE
Nut,self-Locking,plate
Dickson
5935-00-860-08228720 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Jettron Products Inc
Cross-Reference Index
Part NumberManufacturer
1243603-4 Honeywell Intl Inc Defense Avionics Systems (USA)
8720 Goodrich Corp Dba Goodrich Corp (USA)
FF-W-92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
911625-49 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
5710-37 Seastrom Manufacturing Co Inc (USA)
233942 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5710-37-15P Seastrom Manufacturing Co Inc (USA)
CYRD836-3 PRIMARY Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
440637 Raytheon Company Dba Raytheon (USA)
Related Parts
5305-00-057-1037INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6145-00-060-9516INTERCHANGEABLE
WIRE,ELECTRICAL
HP3-EXBHB93
5320-00-178-8720INTERCHANGEABLE
PIN-RIVET
HL11VAP-6-7
5120-00-227-4753INTERCHANGEABLE
WRENCH SET,VALVE
3120-00-337-7068INTERCHANGEABLE
BEARING,SLEEVE
3308226
4140-00-404-6212INTERCHANGEABLE
FAN,CENTRIFUGAL
362
5945-00-655-3146INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
37SB9
5975-00-683-2739INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
8720
5310-00-840-1321INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
463952-2
5935-00-860-0822INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
8720
1005-01-116-1520INTERCHANGEABLE
RETAINER,HOLD DOWN
571037
4820-01-132-4828INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8720KM41M

Frequently Asked Questions

What is NSN 5310-00-205-8740?

NSN 5310-00-205-8740 is a Washer,flat, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-205-8740?

NSN 5310-00-205-8740 has 9 cross-referenced part numbers: 1243603-4 (Honeywell Intl Inc Defense Avionics Systems), 8720 (Goodrich Corp Dba Goodrich Corp), FF-W-92 (Federal Specifications Promulgated by General Services Administration Washington DC), 911625-49 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 5710-37 (Seastrom Manufacturing Co Inc) and 4 more.

What NSN replaces 5310-00-205-8740?

There are 12 known substitutes for 5310-00-205-8740: 5305-00-057-1037, 6145-00-060-9516, 5320-00-178-8720 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CYRD836-3?

Key specifications for CYRD836-3: Special Features: FLIGHT SAFETY CRITICAL AIRCRAFT PART; Thickness: 0.016 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766,CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-205-8740 still in active supply?

NSN 5310-00-205-8740 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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