Metal Seal Ring

2S2059

2S2059
(NSN) National Stock Number
5330-00-122-4372
Federal Supply Classification
5330 Packing and Gasket Materials
Item Name Code
21205
Schedule B Code
3926904500
Summary

Plain rectangular, straight face cross-sectional shape style, 0.125 inches nominal inside diameter, contracting concentric ring style, 0.2500 inches nominal radial wall thickness, 0.3750 inches nominal overall width, vertical joint joint style

DAC HCC DMIL RNCC
5 - - C
RNVC SADC MSDS RNAAC
1 - - 48
Identification

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes. It may be solid or cut through to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring,piston and ring,wiper.

INC FIIG Concept Condition
21205 A08400 - 1
Specifications
Cross-Sectional Shape Style
plain rectangular, straight face
Details The style designation indicating the configuration that most nearly corresponds to the cross-sectional shape of the item.
Inside Diameter
0.125 inches nominal
Details The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.
Ring Style
contracting concentric
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the ring.
Radial Wall Thickness
0.2500 inches nominal
Details None.
Overall Width
0.3750 inches nominal
Details None.
Joint Style
vertical joint
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the joint.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
2W2191 11083 5 - 3 2 - KZ
7S0662 11083 5 - 3 2 - SE
7S662 11083 1 - 5 9 - CT
QPL11276 97403 4 - 5 1 - AX
MILE11276 81349 4 - 5 1 - AX
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
P U - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
55210 - U -
RVC WCC TCC SHC
- 713 Z 9
Price and Availability Quote

Send us a quick request for quote using the form below:

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping
Manufacturer
CATERPILLAR INC DIV CATERPILLAR DEFENSE
CAGE: 11083
IRVING , TX , 75039-3712
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5330-00-122-4372
What is the NIIN of the NSN 5330-00-122-4372?
The National Item Identification Number (NIIN) of the NSN 5330-00-122-4372 is 00-122-4372
When the NSN 5330-00-122-4372 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Oct 30, 1968
Does the NSN 5330-00-122-4372 contain any precious metals?
Type/content is unknown
Does the NSN 5330-00-122-4372 contain any hazardous material?
No information in HMIRS

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are a trusted provider of milspec and aerospace hardware, offering high-quality consumables and parts. With a commitment to excellence, we guarantee reliable and fast delivery through our network of logistics centers. Our mission is to support the aerospace industry with precision and efficiency.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 Aerospace Hardware Store, Inc. All rights reserved.
Made in USA