5310-00-997-1887 NUT,SELF-LOCKING,HEXAGON Index 5305-00-997-1889 SCREW,MACHINE

National Stock Number:
5310-00-997-1888

Federal Supply Class:
5310

National Item Identification Number:
009971888

Description:
NUT,PLAIN,HEXAGON

Detail:
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.)


Manufacturer Information:
002-003990-02126916NORTHROP GRUMMAN SYSTEMS CORPORATION
01857-00321439CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC
01857-003D2638EME ELEKTRO-METALL EXPORT GMBH
0717633S3002GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH
1-5030160145AEROSTAR GLOBAL LOGISTICS INC. DBA AEROSTAR TECHNICAL SERVICES
1-5030182366AERO-MOTIVE COMPANY
102-1S41680063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
10386351A486GNIMIKKEISTOKESKUS NCB FINLAND
13207E7404FN1697403CECOM LR CENTER
13214E3791-1094833KECO INDUSTRIES INC.
15-5-596046CRANE PUMPS & SYSTEMS PFT CORP
2-31-011264484SARGENT-WELCH SCIENTIFIC CO
20004702145RICHARDS IMAGERY INTERPRETATION SYSTEMS L.L.C.
20501-1719315HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS
20501-1783298ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE
278-15599167HAMILTON SUNDSTRAND CORPORATION
313-0010-0013499ROCKWELL COLLINS, INC.
313-0010-00013499ROCKWELL COLLINS, INC.
313-0010-00095105ROCKWELL COLLINS, INC.
340-41681352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
34595250311273CENTRAL SCIENTIFIC CO EDUCATIONAL
5310009971888SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
5310PL07343489009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
5310PL08153489009HINSPEKTORAT WSPARCIA SIL ZBROJNYCH
6102-1977254PHILADELPHIA VALVE CO
71141-225295097LITTLE GIANT CRANE AND SHOVEL INC
802483-0032345DEFENSE REDUCTION AGENCY
860-1344940CUMMINS POWER GENERATION INC.
904475A274NSCANDINAVIAN MANUFACTURING SCAMA AB
90480A02939428MCMASTER-CARR SUPPLY CO
AN340-41681352AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP
AN340-41688044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-N-83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
FFS83681348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS35649-22521PQF4CAE USA INC.
MS35649-225236378RAYTHEON TECHNICAL SERVICES COMPANY
MS35649-225280205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS35649-225296906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NSMC416CD57057NAVCOM DEFENSE ELECTRONICS, INC.
NT936792755NORTHROP GRUMMAN SYSTEMS CORP
SK-1000-40EAK3GSE MANAGEMENT CO
SPE302-EK0378ROLLS-ROYCE PLC
TIP0135597403CECOM LR CENTER


Techincal Specification:
BEARING SURFACE TYPECHAMFERED
NUT HEIGHT0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 13 STYLE
WIDTH ACROSS FLATS0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNC
THREAD QUANTITY PER INCH20


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