PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20500-20Washer,lock

Bendix Corp the Brake and Steering Div · NSN 5310-00-167-0663 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0663 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0663. Primary manufacturer part number: 20500-20.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.047 INCHES NOMINAL IN
  • Material: COPPER ALLOY 510 OVERALL
  • Outside Diameter: 0.337 INCHES MAXIMUM IN
  • Hole Diameter: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 510 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-167-0663, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bendix Corp the Brake and Steering Div. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-167-0663
Primary Part Number20500-20
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBendix Corp the Brake and Steering Div
StatusACTIVE
Material Document and ClassificationQQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.047 INCHES NOMINAL IN
MaterialCOPPER ALLOY 510 OVERALL
Outside Diameter0.337 INCHES MAXIMUM IN
Hole Diameter0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-261-8278118517-007 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5935-01-208-2651205-0020 INTERCHANGEABLE
Connector,plug
Autek Systems Corp
Cross-Reference Index
Part NumberManufacturer
20500-20 Bendix Corp the Brake and Steering Div (USA)
20500-20 Bendix Corp the (USA)
20500-20 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
AN935B10 Aeronautical Standards Group Dept of Navy and Air Force (USA)
N407P39C11 Lockheed Martin Corporation Div Rms (USA)
20500-20 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
2050020 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
N407G39C11 General Electric Company (USA)
N407P39C11 General Electric Company (USA)
7539402 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
20500-20 Honeywell International, Inc Div Aerospace-Tucson (USA)
N407G39C11 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5310-00-261-8278INTERCHANGEABLE
WASHER,LOCK
118517-007
5935-01-208-2651INTERCHANGEABLE
CONNECTOR,PLUG
205-0020

Frequently Asked Questions

What is NSN 5310-00-167-0663?

NSN 5310-00-167-0663 is a Washer,lock, manufactured by Bendix Corp the Brake and Steering Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-167-0663?

NSN 5310-00-167-0663 has 12 cross-referenced part numbers: 20500-20 (Bendix Corp the Brake and Steering Div), 20500-20 (Bendix Corp the), 20500-20 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), AN935B10 (Aeronautical Standards Group Dept of Navy and Air Force), N407P39C11 (Lockheed Martin Corporation Div Rms) and 7 more.

What NSN replaces 5310-00-167-0663?

There are 2 known substitutes for 5310-00-167-0663: 5310-00-261-8278, 5935-01-208-2651. Verify interchangeability with system specifications before substitution.

What are the specifications of 20500-20?

Key specifications for 20500-20: Special Features: DYED LIGHT YELLOW; Material Document and Classification: QQ-B-746 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.047 INCHES NOMINAL IN; Material: COPPER ALLOY 510 OVERALL. 8 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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