Plain Seal

5003961

5003961
(NSN) National Stock Number
5330-00-078-0250
Federal Supply Classification
5330 Packing and Gasket Materials
Item Name Code
04250
Schedule B Code
3926904500
Summary

10.350 inches minimum and 10.370 inches maximum accommodated shaft diameter, 0.281 inches nominal seal width, 11.704 inches minimum and 11.724 inches maximum housing bore diameter, solid construction, rubber synthetic sealing element material, steel insert material

DAC HCC DMIL RNCC
1 - - 5
RNVC SADC MSDS RNAAC
9 - - KZ
Identification

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

INC FIIG Concept Condition
04250 A032A0 - 1
Specifications
Accommodated Shaft Diameter
10.350 inches minimum and 10.370 inches maximum
Details The length of a straight line which passes through the center of the accommodation for the shaft,and terminates at the circumference.
Seal Width
0.281 inches nominal
Details A measurement taken between the flat surfaces /front and back/ of the seal,in distinction from thickness.
Housing Bore Diameter
11.704 inches minimum and 11.724 inches maximum
Details The length of a straight line which passes through the center of a circular housing bore,and terminates at the circumference.
Construction
solid
Details The structural characteristic of the item.
Material
rubber synthetic sealing element
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material
steel insert
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
1953,fscm 73843 mfr ref single material response sealing element
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
5003961 0B9R9 1 - 5 9 - KZ
5003961 73842 5 - 3 2 - ZZ
50039610 73842 5 - 5 9 - KZ
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
95100 - W -
RVC WCC TCC SHC
- 596 Z 9

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
LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV ROTARY AND MISSION SYSTEMS
CAGE: 25500
AKRON , OH , 44315-0001
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 5330-00-078-0250
What is the NIIN of the NSN 5330-00-078-0250?
The National Item Identification Number (NIIN) of the NSN 5330-00-078-0250 is 00-078-0250
When the NSN 5330-00-078-0250 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sat, Nov 13, 1971
Does the NSN 5330-00-078-0250 contain any precious metals?
Type/content is unknown
Does the NSN 5330-00-078-0250 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