Product Details | HEXAGON PLAIN NUT

5310-00-913-8881 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: MS162033, MS16203-3, MS519713, MS51971-3, MS51971C3, MSF519723, MS-F-51972-3, A30131431, A3013143-1, HN2012, HN-2012, TIP01582, G4210858, G421085-8, 4912541-02, 501-7368091 ITEM NO 38, 5017368091ITEMNO38, 5440109080, 544-0109-080, 62799012, 6643057003, 6643057-003, 722 0150 000 PIECE 159, 7220150000PIECE159, 7237702P3, 803-6397269 PC187, 8036397269PC187, 85927900, 859279-00, 8630152700, 863015-2700, 042822, 0428-22, 0740844, 125451092841, 125-4510928-41, 13218E0320, 13218E0320293, 13218E0320-293, 2035478022, 2035478-022, 203MS052P013, 205451094742, 205-4510947-42, 21000223001, 2100-0223-001, 3816UNC2BGR316, 5310-00-913-8881, 00-913-8881, 5310009138881, 491254102, 009138881

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1960 00-913-8881

Drawings & Photos | NSN 5310-00-913-8881


Demand History | NSN 5310-00-913-8881

Part Number Request Date QTY Origin
MS519713 2025-11-316 16 US
5310-00-913-8881 2025-10-279 100 US
5310-00-913-8881 2025-09-250 1832 DIBBS
5310-00-913-8881 2025-09-245 1832 DIBBS
5310-00-913-8881 2025-08-232 1832 DIBBS
5310-00-913-8881 2025-04-92 65000 United States
MS519713 2025-03-84 32 Japan
5310-00-913-8881 2025-01-29 742 DIBBS
5310-00-913-8881 2025-01-21 742 DIBBS
5310-00-913-8881 2024-12-347 742 DIBBS
5310-00-913-8881 2024-06-178 30000 CA
5310-00-913-8881 2024-03-87 6 DIBBS
5310-00-913-8881 2024-03-78 200 US
5310-00-913-8881 2024-03-73 415 DIBBS
5310-00-913-8881 2024-03-65 415 DIBBS
5310-00-913-8881 2023-12-360 592 DIBBS
5310-00-913-8881 2023-12-351 592 DIBBS
5310-00-913-8881 2023-05-135 2 DIBBS
5310-00-913-8881 2022-08-236 75 United States
5310-00-913-8881 2022-08-234 596 DIBBS
5310-00-913-8881 2022-08-222 1 United States
5310-00-913-8881 2022-08-222 596 DIBBS
5310-00-913-8881 2021-03-80 1 Saudi Arabia
5310-00-913-8881 2021-01-12 798 DIBBS
MS51971-3 2020-12-365 12 United States
5310-00-913-8881 2020-09-274 885 DIBBS
5310-00-913-8881 2020-03-85 728 DIBBS
5310-00-913-8881 2020-03-77 728 DIBBS
5310-00-913-8881 2020-03-62 1 DIBBS-RFPs
5310-00-913-8881 2019-08-234 628 DIBBS
5310-00-913-8881 2019-06-172 765 DIBBS
5310-00-913-8881 2019-06-164 765 DIBBS
5310-00-913-8881 2019-05-144 765 DIBBS
5310-00-913-8881 2019-05-136 765 DIBBS
5310-00-913-8881 2019-03-74 765 DIBBS
5310-00-913-8881 2019-03-66 765 DIBBS
5310-00-913-8881 2018-11-332 651 DIBBS
5310-00-913-8881 2018-11-324 651 DIBBS
5310-00-913-8881 2018-10-276 945 DIBBS
5310-00-913-8881 2018-05-130 1 DIBBS-RFPs
5310-00-913-8881 2017-02-41 4 United States
5310-00-913-8881 2016-05-123 1097 DIBBS
5310-00-913-8881 2016-04-115 1097 DIBBS
5310-00-913-8881 2015-05-147 1320 DIBBS
MS519713 2015-04-100 10 United States
MS519713 2014-06-156 8 United States
MS519713 2013-11-308 14 United States
5310-00-913-8881 2013-03-74 1 US
MS519713 2012-09-258 50 US
MS519713 2012-06-177 88 United States
MS519713 2012-04-116 100 United States
MS519713 2012-04-96 6 US
MS51971-3 2012-01-30 600 United States
MS519713 2011-11-332 2 US
MS519713 2011-03-73 150 US
5310-00-913-8881 2009-08-219 12 US
5310-00-913-8881 2009-07-196 20000 US
5310-00-913-8881 2009-06-162 4200 DIBBS
5310-00-913-8881 2009-06-161 4200 DIBBS
5310-00-913-8881 2009-04-97 7000 DIBBS
5310-00-913-8881 2009-02-43 7000 DIBBS
5310-00-913-8881 2008-10-281 7000 DIBBS
MS519713 2008-07-184 6 United States
MS519713 2008-07-184 50 United States
MS519713 2008-07-184 100 United States
MS519713 2008-01-07 50 Australia

Cross Reference | NSN 5310-00-913-8881

Part Number Cage Code Manufacturer
0428-22 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
0740844 S3002 GENERAL DYNAMICS EUROPEAN,LAND-SYSTEMS-MOWAG GMBH
125-4510928-41 51563 ROHR, INC DBA GOODRICH AEROSTRUCTURES GROUP
13218E0320 97403 CECOM LR CENTER
13218E0320-293 97403 CECOM LR CENTER
2035478-022 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
203MS052P013 1FH08 LEHIGH-ARMSTRONG, INC.
203MS052P013 3B150 RAYTHEON TECHNICAL SERVICES COMPANY LLC
205-4510947-42 51563 ROHR, INC DBA GOODRICH AEROSTRUCTURES GROUP
2100-0223-001 06032 ANTENNA PRODUCTS CORPORATION
3/8-16UNC-2B, G R 316 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
4912541-02 03956 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS
4912541-02 90536 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
501-7368091 ITEM NO 38 53711 NAVAL SEA SYSTEMS COMMAND
5310009138881 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
544-0109-080 04579 AURORA PUMP A UNIT OF GENERAL SIGNAL CORP
544-0109-080 10941 CARVER PUMP COMPANY INC
62799012 H0632 VOESTALPINE POLYNORM B.V.
6643057-003 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
722 0150 000 PIECE 159 04579 AURORA PUMP A UNIT OF GENERAL SIGNAL CORP
7237702P3 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
803-6397269 PC187 53711 NAVAL SEA SYSTEMS COMMAND
859279-00 32345 DEFENSE REDUCTION AGENCY
863015-2700 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
A3013143-1 80063 US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS
G421085-8 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
HN-2012 94223 SPAENAUR INC DBA SPAENAUR INC.
MS-F-51972-3 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS16203-3 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS51971-3 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS51971-3 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS51971C3 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
TIP01582 97403 CECOM LR CENTER

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Technical Data | NSN 5310-00-913-8881

Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE 0.375 INCHES
THREAD QUANTITY PER INCH 16
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED OR WASHER FACED
TEMP RATING NOT RATED
MANUFACTURERS CODE 96906
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS51971-3

Restrictions/Controls & Freight Information | NSN 5310-00-913-8881

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.
Category Code Description
No Freight Information