O-Ring

MILR25988

MILR25988
(NSN) National Stock Number
5331-00-763-0074
Federal Supply Classification
5331 O-Ring
Item Name Code
47946
Schedule B Code
4016930000
Summary

0.693 inches nominal outside diameter, 0.100 inches minimum and 0.106 inches maximum cross-sectional height, 0.480 inches minimum and 0.494 inches maximum center hole diameter, 125 maximum elongation percentage, 70.0 shore durometer a nominal hardness rating, rubber fluorosilicone class fq material

DAC HCC DMIL RNCC
4 - - 5
RNVC SADC MSDS RNAAC
9 - - SE
Identification

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

INC FIIG Concept Condition
47946 A510X0 - 1
Specifications
Outside Diameter
0.693 inches nominal
Details The length of a straight line which passes through the center of an item,and terminates at the outside circumference.
Cross-Sectional Height
0.100 inches minimum and 0.106 inches maximum
Details A measurement from the bottom to the top of a cross section,in distinction from depth.
Center Hole Diameter
0.480 inches minimum and 0.494 inches maximum
Details The length of a straight line which passes through the center of the center hole,and terminates at the circumference.
Elongation Percentage
125 maximum
Details The percentage the item will stretch.
Hardness Rating
70.0 shore durometer a nominal
Details A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.
Material
rubber fluorosilicone class fq
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
10163881 A486G 9 - 6 9 - WF
M25988-1-112ES H2313 3 - 5 9 - ZN
5331PL0657673 9009H 9 - 6 9 - WP
754-4-37002-112 K2523 5 - 5 2 - ZZ
755D210P112 89954 5 - 5 9 - KZ
M25988/1-112 1K697 5 - 5 1 - ZG
M25988/1-112 81349 4 - 2 2 - KZ
MIL-DTL-25988/1 81349 E - 4 1 - ZZ
MIL-R-25988/1 81349 E - 5 9 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
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
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
CAGE: 81349
View Products
FAQs
Frequently asked questions for NSN 5331-00-763-0074
What is the NIIN of the NSN 5331-00-763-0074?
The National Item Identification Number (NIIN) of the NSN 5331-00-763-0074 is 00-763-0074
When the NSN 5331-00-763-0074 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Apr 14, 1972
Does the NSN 5331-00-763-0074 contain any precious metals?
Does not contain precious metal
Does the NSN 5331-00-763-0074 contain any hazardous material?
No data 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