Model: 640-54PC16

Piston Ring

Properties:

Cross Sectional Shape

Plain rectangular, straight face

Ring Style

Concentric

Radial Wall Thickness

0.1850 inches

Overall Width

0.1870 inches

Standard Bore Diameter

3.750 inches

Material

Copper alloy

Fsc Application Data

Deaeroating heater

NSN

4310-00-112-8498

Part Number

640-54PC16

Description

Ring,piston

CAGE

72957

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.

Part 640-54PC16 NSN 4310-00-112-8498

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

11459

FIIG:

A08400

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

126700

UFC:

64230

LTL:

85.0

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8414902095
SITC: 74380
End Use: Industrial engines
NAICS: 333912
USDA: 1

Freight Class: Parts nesoi, of compressors other than refrigerating and air conditioning compressors