Nuclear Coolant System Seal Ring

NSN: 4470-00-725-4096 | Model: 2ZK221

An item designed to be seal welded to segments on components of a nuclear power plant coolant system, such as valves, demineralizers, heat exchangers, pumps, and the like, to form an efficient seal against the leakage of the primary coolant to the ambient. Excludes seal ring, metal.

NSN Properties and Flags

NATO Stock Number

4470-00-725-4096

DEMIL

Yes - ITAR Controlled (Code F)

Cross Sectional Shape

General

Wall Thickness

0.093 inches

Overall Height

0.3125 inches

Largest Inside Diameter

2.4375 inches

Outer Radius

0.3125 inches

Inner Radius

0.28125 inches

Outside Diameter Surface Angle In Deg

45.0

Small Inside Diameter

Between 1.870 inches and 1.880 inches

Upper Inside Diameter Surface Angle In Deg

45.0

Inside Flat Surface Diameter

0.010 inches

Criticality Code Justification

Zzzy

Material

Steel comp 304

Surface Treatment

Passivate

Reference Number Differentiating Characteristics

Cleaned in accordance with mil-c-19874 (ships)

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 4470-00-725-4096 Datasheet

Supply Class (FSC):

Nuclear Reactors

Cross Reference:

2ZK221
2ZK221PCZK221E

Cage Codes:

Ashcroft Inc. (CAGE 38056)

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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature but does have other critical featur (s) such as tolerance, fit restrictions or application.

Freight Information:

NMFC:

172640 - Seals, security
WCC:

72E - Engineer and material handling equipment, test/tool sets and equipment
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.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LCL:

Q - 70.0
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4470-00-725-4096 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 4470-00-725-4096?
007254096 or 00-725-4096
Does NSN 4470-00-725-4096 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4470-00-725-4096?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963