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Piston Ring NSN 2805-00-008-8937

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 2805-00-008-8937 NSN: 2805-00-008-8937

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 left of joint
Distance From Pin Hole Centerline To Ring Joint Centerline
0.460 inches
Pinhole Diameter
Between 0.081 inches and 0.086 inches
Standard Bore Diameter
3.850 inches
Joint Style
Vertical joint
Distance From Pin Hole Center To Edge
Between 0.075 inches and 0.080 inches
Material
Stainless steel
Material Specification
Mil-s-25043 military specification 1st material response and ams 5528 assn standard 2nd material response
FSC
2805 Except Aircraft; And Components Gasoline Reciprocating Engines
NIIN
000088937
NSN
2805000088937

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
974353-1
Cage Code:
59364
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8409918000
  • NAICS: 333618
  • SITC: 71391
  • Description: Parts for spark-ignition internal combustion piston engines, nesoi
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 2805-00-008-8937
What are the manufacturers of nsn 2805000088937?
Does this nsn 2805000088937 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 2805000088937
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 2805000088937 contain any precious metals?
No precious metal content.
Does nsn 2805000088937 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 2805000088937?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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