Product Details | O-RING

5331-01-241-7740 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.

Part Alternates: MS29513012, MS29513-012, MS2951312, MS29513-12, 65E5251 PC31, 65E5251PC31, 5331-01-241-7740, 01-241-7740, 5331012417740, 012417740

Hardware and Abrasives | O-Ring

Supply Group (FSG) NSN Assign. NIIN
53 03 OCT 1986 01-241-7740

Drawings & Photos | NSN 5331-01-241-7740


Demand History | NSN 5331-01-241-7740

Part Number Request Date QTY Origin
MS29513012 2025-11-308 25 United States
MS29513012 2025-09-260 10 United Arab Emirates
MS29513-012 2022-08-235 2 Canada
MS29513-012 2022-08-235 1 Canada
MS29513012 2021-04-102 30 PH
MS29513012 2020-11-315 24 United States
MS29513012 2019-01-08 5 US
5331-01-241-7740 2018-07-201 1 DIBBS-RFPs
5331-01-241-7740 2016-05-140 1 DIBBS-RFPs
MS29513012 2015-11-306 1 US
MS2951312 2015-06-153 10 CL
MS29513-012 2015-03-85 10 US
MS29513-012 2015-03-69 500 US
MS29513-12 2012-06-178 10 PK
MS29513-12 2012-03-75 25 United States
MS2951312 2011-03-84 100 United States
5331-01-241-7740 2010-08-222 3 EC
5331-01-241-7740 2010-07-210 4 EC
MS29513012 2010-06-169 100 United States
MS29513012 2010-04-92 10 us
MS2951312 2009-02-34 1 US
MS29513012 2008-10-297 6 South Korea
5331-01-241-7740 2008-09-273 7030 DIBBS
5331-01-241-7740 2008-05-135 2209 DIBBS
5331-01-241-7740 2008-03-71 859 DIBBS

Cross Reference | NSN 5331-01-241-7740

Part Number Cage Code Manufacturer
65E5251 PC31 38450 ENGINEERED COIL COMPANY DBA DRS MARLO COIL
MS29513-012 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS29513-012 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS29513-12 F0229 LE JOINT FRANCAIS

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Technical Data | NSN 5331-01-241-7740

Characteristic Specifications
MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
HARDNESS RATING 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
CENTER HOLE DIAMETER 0.359 INCHES MINIMUM AND 0.369 INCHES MAXIMUM
CROSS-SECTIONAL HEIGHT 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5331-01-241-7740

Category Code Description
Shelf-Life Code:Y180 months
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information