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Piston Ring NSN 2810-01-293-7985

Item Description

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

NSN 2810-01-293-7985 NSN: 2810-01-293-7985

Features and Characteristics

Cross Sectional Shape
Plain rectangular, straight face
Ring Style
Concentric
Radial Wall Thickness
Between 0.1510 inches and 0.1610 inches
Overall Width
Between 0.0440 inches and 0.0450 inches
Pin Hole Style
Round pinhole at joint
Pinhole Diameter
Between 0.081 inches and 0.086 inches
Standard Bore Diameter
3.244 inches
Joint Style
Vertical joint
Err Default
Err default
FSC
2810 Aircraft Prime Mover; And Components Gasoline Reciprocating Engines
NIIN
012937985
NSN
2810012937985

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
859989-50
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8409100080
  • NAICS: 336412
  • SITC: 71319
  • Description: Parts for spark-ignition or compression-ignition internal combustion piston engines for use in aircraft except civil
  • End Use (Code 50020):
    Engines and turbines for military aircraft

Q & A

Frequently asked questions for NSN 2810-01-293-7985
What are the manufacturers of nsn 2810012937985?
Does this nsn 2810012937985 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2810012937985
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. it is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. it may include an expander. excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Does nsn 2810012937985 contain any precious metals?
No precious metal content.
Does nsn 2810012937985 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2810012937985?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
11459
FIIG:
A08400
App. Key:
A
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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