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Piston Ring NSN 2990-01-273-4729

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 2990-01-273-4729 NSN: 2990-01-273-4729

Features and Characteristics

Cross Sectional Shape
Plain rectangular, straight face
Ring Style
Concentric
Standard Bore Diameter
1.000 inches
Joint Style
Vertical joint
FSC
2990 Nonaircraft Miscellaneous Engine Accessories
NIIN
012734729
NSN
2990012734729

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3410374
Cage Code:
86403
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 2990-01-273-4729
What are the manufacturers of nsn 2990012734729?
Does this nsn 2990012734729 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2990012734729
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 2990012734729 contain any precious metals?
No precious metal content.
Does nsn 2990012734729 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2990012734729?
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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