661L

View detailed technical data, stock status, and sourcing information for: 661L

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part 661L to receive an up to date pricing and availability quote by email.

661L
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-457-0007
Item Name Code
16509
Assigment Date
04/28/1969 (57 years ago)

An item designed to inclose the cylinder bore(s) of an engine block to form a combustion chamber(s). It may have liquid cooling passage(s) and/or air cooling fin(s) and may include valve(s), valve guide(s), rocker arm(s), injector tube(s), and the like. It is a component part of an engine, diesel. See also cylinder head, gasoline engine.

5.125 inches nominal diameter, 6.270 inches nominal overall height, hole oil passage type, relieved head style, 1.9900 inches nominal pinhole diameter

Product Characteristics

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

Head Style
relieved
Overall Height
6.270 inches nominal
Diameter
5.125 inches nominal
Oil Passage Type
hole
Pinhole Diameter
1.9900 inches nominal
Surface Finish
finished
Finished Size Designation
standard
Skirt Type
solid
Skirt Bottom Cutaway Feature
not included
Ring Groove Quantity
3
Ring Groove Width
0.1875 inches nominal 3rd ring
Ring Groove Width
0.1180 inches nominal 1st ring
Ring Groove Width
0.1240 inches nominal 2nd ring
Groove Taper Angle
10 degrees
Ring Groove Diameter
4.650 inches nominal and 4.678 inches nominal and 4.598 inches nominal
Oil Groove
not included
Distance From Pin Hole Center To Extreme Top
4.000 inches nominal
Pin Hole Bushing
not included
Distance Between Pin Bosses
2.460 inches nominal
Retaining Ring Groove
included
Pin
not included
Pin Type For Which Designed
floating
Ring
not included
Carbon Groove
included
Material
aluminum alloy
Weight
100.0 ounces

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
147980 Internal Combustion Engin Piston
199822 Internal Combustion Engin Piston
2194PN Internal Combustion Engin Piston
661L Internal Combustion Engin Piston
L223F Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-457-0007?
The FSCG of the NSN 2815-00-457-0007 is 2815
Does the NSN 2815-00-457-0007 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-457-0007 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 2815-00-457-0007 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-457-0007 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 2815-00-457-0007 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Apr 28, 1969

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

9089894
4720-00-679-0073
Nonmetallic Hose Assembly
9089899
6150-00-788-6064
E Special Purpose Cable Assembly
90899
5945-00-666-4653
Electromagnetic Relay
90899-991
5340-01-316-9628
Loop Clamp
908990
2530-00-732-4249
Wheel
908990C1
4730-01-210-6897
Pipe Seal Nut
908991-1
6150-01-675-3748
Conductor Bus
908992-1
6150-01-294-0699
Conductor Bus
908993-1
6150-01-674-9960
Conductor Bus
908993C1
4730-00-087-9965
Pipe to Tube Straight Adapter
908994-1
6150-01-675-0786
Conductor Bus
908995-1
6150-01-674-9648
Conductor Bus
908996-1
6150-01-675-0863
Conductor Bus
908996C1
4330-01-260-5505
Oil Filter
908996C2
4330-01-260-5505
Oil Filter