Piston Ring

NSN: 4420-00-232-6985 | Model: 143925PC19

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 Properties and Flags

NATO Stock Number

4420-00-232-6985

DEMIL

Cross Sectional Shape

Plain rectangular, straight face

Ring Style

Concentric

Radial Wall Thickness

Between 0.3800 inches and 0.3900 inches

Overall Width

Between 0.2470 inches and 0.2490 inches

Standard Bore Diameter

12.000 inches

Bore Diameter Oversize

0.005 inches

Joint Style

Vertical joint

Special Features

Od of ring as compressed in cylinder

Material

Nickel

Material Specification

K68, koppers co inc mfr ref single material response

Test Data Document

13344-143925 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Fsc Application Data

Deaerating heater

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4420-00-232-6985 Datasheet

Supply Class (FSC):

Heat Exchangers And Steam Condensers

Cross Reference:

143925PC19
143925-19
143925

Cage Codes:

Newterra Inc. (CAGE 13344)

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

126700 - Piston rings, iron
WCC:

594 - Pumps and parts, (machinery and parts),(less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL:

M - 85.0
LCL:

P - 77.5
ACC:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,490.08 to $2,483.46..
Does NSN 4420-00-232-6985 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Spain, Greece, and Turkey
What is the NIIN of NSN 4420-00-232-6985?
002326985 or 00-232-6985
Does NSN 4420-00-232-6985 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4420-00-232-6985?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 09, 1970