Model: 65B21

Piston Ring

Properties:

Cross Sectional Shape

Tapered face, double scraper, ventilated oil control

Ring Style

Concentric

Radial Wall Thickness

0.2900 inches

Overall Width

Between 0.2475 inches and 0.2490 inches

Standard Bore Diameter

7.500 inches

Joint Style

Vertical joint

Oil Passage Type And Quantity

12 slot horizontally through ring and 1 groove horizontally through ring

Material

Iron

Fsc Application Data

Air compressor

NSN

4310-00-142-0009

Part Number

65B21

Description

Ring,piston

CAGE

6X081

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 65B21 NSN 4310-00-142-0009

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

1.5000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this piston ring (NSN 4310-00-142-0009) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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