NSN 5310-00-997-1888

Part Details | HEXAGON PLAIN NUT

5310-00-997-1888 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.)

Alternate Parts: 150301, 1-50301, AN340416, AN340-416, 150301, 1-50301, AN340416, AN340-416, 340416, 340-416, 2050117, 20501-17, 13207E7404FN16, TIP01355, 345952503, 1555, 15-5-5, 86013, 860-13, 80248300, 802483-00, 5310009971888, 01857003, 01857-003, 01857003, 01857-003, FFN836, FF-N-836, 0717633, SK10004, SK-1000-4, 278155, 278-155, 2050117, 20501-17, 5310PL0815348, 13214E379110, 13214E3791-10, 711412252, 71141-2252, 90480A029, MS356492252, MS35649-2252, MS356492252, MS35649-2252, NSMC416CD, 10386351, NT9367, 002003990021, 002-003990-021, 610219, 6102-19, MS356492252, MS35649-2252, 200047, 3130010000, 313-0010-000, 313001000, 313-0010-00, 3130010000, 313-0010-000, SPE302E, SPE302-E, 2310112, 2-31-0112, 1021S416, 102-1S416, 5310-00-997-1888, 00-997-1888, 5310009971888, 009971888

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53APR 13, 196700-997-188801857 ( NUT, PLAIN, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-997-1888
Part Number Cage Code Manufacturer
1-5030182366AERO-MOTIVE COMPANY
AN340-41688044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
1-5030160145AEROSTAR GLOBAL LOGISTICS INC.DBA AEROSTAR TECHNICAL SERVICES
AN340-41681352AIR FORCE-NAVY AERONAUTICALSPECIFICATIONS
340-41681352AIR FORCE-NAVY AERONAUTICALSPECIFICATIONS
20501-1783298ALLIED SIGNAL INCAEROSPACE EQUIPMENT SYSTEMS
13207E7404FN1697403CECOM LR CENTER
TIP0135597403CECOM LR CENTER
34595250311273CENTRAL SCIENTIFIC COEDUCATIONAL
15-5-596046CRANE PUMPS & SYSTEMS, INC.
860-1344940CUMMINS POWER GENERATION INC.
802483-0032345DEFENSE REDUCTION AGENCY
5310009971888SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
01857-003D2638EME ELEKTRO-METALL EXPORT GMBH
01857-00321439ENGINEERED ARRESTING SYSTEMSCORPORATION
FF-N-83681348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
0717633S3002GENERAL DYNAMICS EUROPEAN,LAND-SYSTEMS-MOWAG GMBH
SK-1000-40EAK3GSE MANAGEMENT CO
278-15599167HAMILTON SUNDSTRAND CORPORATION
20501-1719315HONEYWELL INTL INC DEFENSE AVIONICSSYSTEMS FORMER BENDIX NAVIGATION AND
5310PL08153489009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
13214E3791-1094833KECO INDUSTRIES INC.
71141-225295097LITTLE GIANT CRANE AND SHOVEL INC
90480A02939428MCMASTER-CARR SUPPLY COMPANY
MS35649-225296906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
MS35649-225280205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
NSMC416CD57057NAVCOM DEFENSE ELECTRONICS, INC.
10386351A486GNIMIKKEISTOKESKUS NCB FINLAND
NT936792755NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA LAND & SELF PROTECTION SYSTEM
002-003990-02126916NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MULTIPLE
6102-1977254PHILADELPHIA VALVE CO
MS35649-225236378RAYTHEON TECHNICAL SERVICES COMPANY
20004702145RICHARDS IMAGERY INTERPRETATIONSYSTEMS L.L.C.
313-0010-00013499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
313-0010-0013499ROCKWELL COLLINS, INC.DBA GOVERNMENT SYSTEMS
313-0010-00095105ROCKWELL COLLINS, INC.DIV GOVERNMENT SYSTEMS - DALLAS
SPE302-EK0378ROLLS-ROYCE MILITARY AERO ENGINESLTD
2-31-011264484SARGENT-WELCH SCIENTIFIC CO
102-1S41680063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5310-00-997-1888
Characteristic Specifications
THREAD SERIES UNC
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
BEARING SURFACE TYPE CHAMFERED
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE