PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20202Washer,flat

Continental Aerospace Technologies, Inc. · NSN 5310-00-527-4689 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-527-4689 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-527-4689. Primary manufacturer part number: 20202.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Material: STEEL COMP 1010 OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.4438 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-527-4689, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Continental Aerospace Technologies, Inc.. Government technical data includes 10 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
NSN5310-00-527-4689
Primary Part Number20202
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerContinental Aerospace Technologies, Inc.
StatusCANCELLED
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
MaterialSTEEL COMP 1010 OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.4438 INCHES MINIMUM AND 0.463 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Overall Diameter0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6130-00-237-0194D161871D INTERCHANGEABLE
Rectifier,metallic
Lucent Technologies Inc Corporate Headquarters
5360-00-254-1479 INTERCHANGEABLE
Spring,helical,compression
5905-00-494-7886 INTERCHANGEABLE
Resistor,thermal
5895-00-572-4501 INTERCHANGEABLE
Driver,soil Anchor
5120-00-580-2359EX-2 INTERCHANGEABLE
Extractor,screw
Stanley Tools Div of Stanley Works
2915-00-715-41266827169 INTERCHANGEABLE
Cover Assy,coordina
Rolls-Royce Corporation
6505-01-068-7667 INTERCHANGEABLE
Lidocaine Hydrochloride Injectio
5330-01-092-146120-20-2 INTERCHANGEABLE
Gasket
Clark-Reliance Llc Dba Jerguson Gage & Valve
5998-01-132-370720202 INTERCHANGEABLE
Electronic Components Assembly
L3 Technologies, Inc. Div Communication Systems-West
4820-01-135-8153 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
20202 Continental Aerospace Technologies, Inc. (USA)
20202 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
6130-00-237-0194INTERCHANGEABLE
RECTIFIER,METALLIC
D161871D
5360-00-254-1479INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5905-00-494-7886INTERCHANGEABLE
RESISTOR,THERMAL
5895-00-572-4501INTERCHANGEABLE
DRIVER,SOIL ANCHOR
5120-00-580-2359INTERCHANGEABLE
EXTRACTOR,SCREW
EX-2
2915-00-715-4126INTERCHANGEABLE
COVER ASSY,COORDINA
6827169
6505-01-068-7667INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE INJECTIO
5330-01-092-1461INTERCHANGEABLE
GASKET
20-20-2
5998-01-132-3707INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
20202
4820-01-135-8153INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-138-2543INTERCHANGEABLE
VALVE,SAFETY RELIEF
5961-01-169-6517INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5310-00-527-4689?

NSN 5310-00-527-4689 is a Washer,flat, manufactured by Continental Aerospace Technologies, Inc., classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-527-4689?

NSN 5310-00-527-4689 has 2 cross-referenced part numbers: 20202 (Continental Aerospace Technologies, Inc.), 20202 (Teledyne Industries Inc Teledyne Power Systems Div).

What NSN replaces 5310-00-527-4689?

There are 12 known substitutes for 5310-00-527-4689: 6130-00-237-0194, 5360-00-254-1479, 5905-00-494-7886 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20202?

Key specifications for 20202: Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND; Material: STEEL COMP 1010 OVERALL; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-527-4689 still in active supply?

NSN 5310-00-527-4689 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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