Model: 90523

Piston Ring

Properties:

Cross Sectional Shape

Plain rectangular, straight face

Ring Style

Concentric

Radial Wall Thickness

Between 0.0380 inches and 0.0400 inches

Overall Width

Between 0.0460 inches and 0.0470 inches

Standard Bore Diameter

0.750 inches

Joint Style

Vertical joint

Material

Iron

Fsc Application Data

Rack, bomb ejector, aircraft

NSN

1095-00-589-1254

Part Number

90523

Description

Ring,piston

CAGE

76602

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 90523 NSN 1095-00-589-1254

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:

85.0

WCC:

685

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 9305913030
SITC: 89199
End Use: Tanks, artillery, missiles, rockets, guns and ammunition
NAICS: 332994
USDA: 1

Freight Class: Parts and accessories of military weapons of heading 9301, nesoi