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Piston Ring NSN 4320-00-131-7057

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 4320-00-131-7057 NSN: 4320-00-131-7057

Features and Characteristics

Cross Sectional Shape
Plain rectangular, straight face
Ring Style
Concentric
Radial Wall Thickness
Between 0.1020 inches and 0.1120 inches
Overall Width
0.1860 inches
Standard Bore Diameter
2.500 inches
Bore Diameter Oversize
0.010 inches
Joint Style
Vertical joint
Material
Iron
Fsc Application Data
Steam piston, reciprocating pump
FSC
4320 Power And Hand Pumps
NIIN
001317057
NSN
4320001317057

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SM-1
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS1193PC890S
Cage Code:
63857
Status:
A
MSDS:
Part Number:
BS5-2017PC50A
Cage Code:
63857
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8413919520
  • NAICS: 333911
  • SITC: 74291
  • Description: Parts, nesoi, of pumps for liquids
  • End Use (Code 21100):
    Industrial engines

Q & A

Frequently asked questions for NSN 4320-00-131-7057
What are the manufacturers of nsn 4320001317057?
Does this nsn 4320001317057 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4320001317057
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 4320001317057 contain any precious metals?
Precious metal content is unknown.
Does nsn 4320001317057 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4320001317057?
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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