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Piston Ring NSN 4310-00-131-2985

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 4310-00-131-2985 NSN: 4310-00-131-2985

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Features and Characteristics

Cross Sectional Shape
Plain rectangular, two piece, straight face, w/restrainer
Ring Style
Concentric
Radial Wall Thickness
Between 0.4750 inches and 0.4950 inches
Overall Width
Between 0.8690 inches and 0.8720 inches
Standard Bore Diameter
16.000 inches
Bore Diameter Oversize
0.010 inches
Joint Style
Vertical joint
Material
Iron top
Fsc Application Data
Steam piston, direct acting reciprocating pump
FSC
4310 Compressors And Vacuum Pumps
NIIN
001312985
NSN
4310001312985

Manufacturer Part Numbers

Part numbers registered to this national stock number.

No part numbers found for this NSN.

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8414902095
  • NAICS: 333912
  • SITC: 74380
  • Description: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 4310-00-131-2985
What are the manufacturers of nsn 4310001312985?
Does this nsn 4310001312985 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4310001312985
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 4310001312985 contain any precious metals?
Precious metal content is unknown.
Does nsn 4310001312985 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4310001312985?
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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