C27S

View detailed technical data, stock status, and sourcing information for: C27S
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2925 Aircraft Prime Moving Engine Electrical System Components

National Stock Number

2925-00-640-8499

Item Name Code

00294

Assigment Date

01/01/1963 (63 years ago)

aircraft engine usage design, 1000.0 nominal dc resistance rating in ohms, electrically shielded, full insulator, gasket seat body style, 0.500 inches nominal reach length, 0.875 inches nominal width across flats

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: electrically shielded, full insulator, gasket seat
Dc Resistance Rating In Ohms: 1000.0 nominal
Reach Length: 0.500 inches nominal
Usage Design: aircraft engine
Width Across Flats: 0.875 inches nominal
Electrode Style: four gap ground electrode
Seat Major Diameter: 0.875 inches nominal
Height Above Mounting Surface: 2.484 inches nominal
Top To Terminal Contact Distance: 1.000 inches nominal
Top To Shield Thread Distance: 0.125 inches nominal
Shield Thread Length: 0.250 inches nominal
Terminal Sleeve Inside Diameter: 0.378 inches nominal
Thread Size And Series/Type Designator: 5/8-24 unef shield

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2925-00-203-4273	No Name Available	12/20/1972
2925-00-287-8793	No Name Available	12/20/1972
2925-00-328-2019	No Name Available	11/13/1972
2925-00-508-3866	No Name Available	11/13/1972
2925-00-516-1657	No Name Available	12/20/1972
2925-00-529-7285	No Name Available	12/20/1972
2925-00-555-5760	No Name Available	07/25/1973
2925-00-670-0325	No Name Available	01/01/1963
2925-00-886-1777	No Name Available	01/20/1966

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
919SR	Spark Plug
C27S	Spark Plug
REM39N	Spark Plug

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 2925-00-640-8499?

The FSCG of the NSN 2925-00-640-8499 is 2925

Does the NSN 2925-00-640-8499 have a Schedule B code assigned?

Yes, the Schedule B code is 8511100000

Does NSN 2925-00-640-8499 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 2925-00-640-8499 contain precious materials?

Item does not contain precious metal.

Does NSN 2925-00-640-8499 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 2925-00-640-8499 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963