PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WP506TYPE1Spark Plug

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 2920-00-516-6777 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-516-6777 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-516-6777. Primary manufacturer part number: WP506TYPE1.
Features
  • Spark Plug — FSC 2920
  • Electrode Style: FOUR GAP GROUND ELECTRODE
  • Nondefinitive Spec/std Data: 1 TYPE
  • Body Style: UNSHIELDED, SOLID POST, GASKET SEAT
  • Pressure Rating: 140.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
  • Seat Major Diameter: 0.969 INCHES MAXIMUM IN
  • Usage Design: ENGINE OTHER THAN AIRCRAFT
  • Reach Length: 0.500 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Spark Plug, cataloged under National Stock Number 2920-00-516-6777, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-00-516-6777
Primary Part NumberWP506TYPE1
Item NameSpark Plug
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Electrode StyleFOUR GAP GROUND ELECTRODE
Nondefinitive Spec/std Data1 TYPE
Body StyleUNSHIELDED, SOLID POST, GASKET SEAT
Pressure Rating140.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS
Seat Major Diameter0.969 INCHES MAXIMUM IN
Usage DesignENGINE OTHER THAN AIRCRAFT
Reach Length0.500 INCHES NOMINAL IN
Width Across Flats0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-113-981933459 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5331-00-198-6183 INTERCHANGEABLE
O-Ring
6720-00-262-4198C59AP INTERCHANGEABLE
Camera,still Picture
Tektronix, Inc.
5360-00-426-0473C27 INTERCHANGEABLE
Spring,helical,extension
Superior Equipment Co Buckeye Div
5930-00-441-0618 INTERCHANGEABLE
Switch Subassembly
3456-00-640-3006 INTERCHANGEABLE
CAGE Assembly,roller Tube Expand
5340-00-994-6301C27 INTERCHANGEABLE
Clamp,synchro
Designatronics Incorporated Div Sterling Instruments Div
4520-01-032-0269 INTERCHANGEABLE
Diffuser,air,ceiling
3510-01-331-0948 INTERCHANGEABLE
Shoe,contact
5975-01-533-3654 INTERCHANGEABLE
Conduit Outlet
Cross-Reference Index
Part NumberManufacturer
WP506TYPE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
C27 Champion Aerospace Llc (USA)
Related Parts
5940-00-113-9819INTERCHANGEABLE
TERMINAL,LUG
33459
5331-00-198-6183INTERCHANGEABLE
O-RING
6720-00-262-4198INTERCHANGEABLE
CAMERA,STILL PICTURE
C59AP
5360-00-426-0473INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
C27
5930-00-441-0618INTERCHANGEABLE
SWITCH SUBASSEMBLY
3456-00-640-3006INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
5340-00-994-6301INTERCHANGEABLE
CLAMP,SYNCHRO
C27
4520-01-032-0269INTERCHANGEABLE
DIFFUSER,AIR,CEILING
3510-01-331-0948INTERCHANGEABLE
SHOE,CONTACT
5975-01-533-3654INTERCHANGEABLE
CONDUIT OUTLET

Frequently Asked Questions

What is NSN 2920-00-516-6777?

NSN 2920-00-516-6777 is a Spark Plug, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-516-6777?

NSN 2920-00-516-6777 has 2 cross-referenced part numbers: WP506TYPE1 (Federal Specifications Promulgated by General Services Administration Washington DC), C27 (Champion Aerospace Llc).

What NSN replaces 2920-00-516-6777?

There are 10 known substitutes for 2920-00-516-6777: 5940-00-113-9819, 5331-00-198-6183, 6720-00-262-4198 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WP506TYPE1?

Key specifications for WP506TYPE1: Electrode Style: FOUR GAP GROUND ELECTRODE; Nondefinitive Spec/std Data: 1 TYPE; Body Style: UNSHIELDED, SOLID POST, GASKET SEAT; Pressure Rating: 140.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS. 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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