Product Details | HEXAGON SELF-LOCKING NUT

5310-00-241-6640 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS162286C, MS16228-6C, MS162293C, MS16229-3C, T80049437, T8004943-7, 131471, 131-471, 298538, 5310-00-241-6640, 00-241-6640, 5310002416640, 002416640

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11 JUL 1969 00-241-6640

Drawings & Photos | NSN 5310-00-241-6640


Demand History | NSN 5310-00-241-6640

Part Number Request Date QTY Origin
MS162286C 2025-09-272 100 United States
5310-00-241-6640 2025-01-23 40 DIBBS
MS162286C 2025-01-21 125 United States
5310-00-241-6640 2024-08-215 6 us
MS162286C 2024-07-185 475 United States
5310-00-241-6640 2024-01-31 53 United States
5310-00-241-6640 2023-06-157 32 Taiwan
MS162286C 2022-06-180 36 US
5310-00-241-6640 2020-06-182 48 MANUAL
5310-00-241-6640 2020-05-131 725 DIBBS
5310-00-241-6640 2018-01-16 626 DIBBS
5310-00-241-6640 2018-01-01 928 DIBBS
5310-00-241-6640 2017-06-165 1 us
5310-00-241-6640 2017-03-60 1047 DIBBS
5310-00-241-6640 2016-12-363 710 DIBBS
5310-00-241-6640 2016-11-325 975 DIBBS
5310-00-241-6640 2016-02-48 571 DIBBS
5310-00-241-6640 2015-11-322 750 DIBBS
5310-00-241-6640 2015-07-210 775 DIBBS
5310-00-241-6640 2015-06-175 523 DIBBS
5310-00-241-6640 2014-08-229 382 DIBBS
5310-00-241-6640 2014-02-49 20 US
5310-00-241-6640 2014-01-13 100 United States
MS162286C 2013-10-297 25 United States
5310-00-241-6640 2013-02-36 110 United States
5310-00-241-6640 2013-01-28 100 United States
5310-00-241-6640 2012-11-332 10 United States
5310-00-241-6640 2012-11-332 10 United States
MS16228-6C 2012-05-129 25 United States
5310-00-241-6640 2011-06-164 20 United States
5310-00-241-6640 2010-08-224 810 DIBBS
5310-00-241-6640 2010-07-193 569 DIBBS
5310-00-241-6640 2010-01-15 1147 DIBBS
MS162286C 2010-01-12 500 US
5310-00-241-6640 2009-10-275 450 US
MS162286C 2009-09-247 10 US
5310-00-241-6640 2009-06-152 1180 DIBBS
5310-00-241-6640 2009-05-125 798 DIBBS
5310-00-241-6640 2009-02-47 48 US
5310-00-241-6640 2008-03-81 1982 DIBBS
MS162286C 2008-02-53 100 United Kingdom

Cross Reference | NSN 5310-00-241-6640

Part Number Cage Code Manufacturer
131-471 10988 CNH INDUSTRIAL AMERICA LLC
298538 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS16228-6C 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS16229-3C D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
T8004943-7 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Technical Data | NSN 5310-00-241-6640

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP W214 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP M3 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 NUT
MATERIAL DOCUMENT AND CLASSIFICATION MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT 66 FED STD ALL MATERIAL RESPONSES NUT
SURFACE TREATMENT PASSIVATE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
LOCKING FEATURE PREVAILING TORQUE WITH NONMETALLIC INSERT
COUNTERSINK ANGLE 88.0 DEGREES NOMINAL NUT
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH 125.0 MICROINCHES
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16228-6C

Restrictions/Controls & Freight Information | NSN 5310-00-241-6640

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature 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