NSN 5310-00-857-5557

Part Details | HEXAGON SELF-LOCKING NUT

5310-00-857-5557 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.

Alternate Parts: H554, H55-4, H554, H55-4, RM1801048, RM1801-048, YE3200, MS21045L4, NAS1022AM4, MS21045L4, H554, H55-4, 28FH428, 28FH-428, SPS28GH428, SL23744, SL2374-4, 5310-00-857-5557, 00-857-5557, 5310008575557, 008575557

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-857-555705277 ( NUT, SELF-LOCKING, HEXAGON )
REFERENCE DRAWINGS & PICTURES

HEXAGON

Cross Reference | NSN 5310-00-857-5557
Part Number Cage Code Manufacturer
H55-415653ARCONIC GLOBAL FASTENERS & RINGS,INC.
H55-475237ARCONIC GLOBAL FASTENERS & RINGS,INC.
RM1801-04872962HARVARD INDUSTRIES INC
YE320075497LAMSON AND SESSIONS CO THE
MS21045L496906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
NAS1022AM480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
MS21045L480205NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES
H55-4R1120SATAIR A/S
28FH-42856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SPS28GH42856878SPS TECHNOLOGIES, LLCDBA AEROSPACE DIVISION
SL2374-497393SPS TECHNOLOGIES, LLCDBA SHUR-LOK COMPANY
Technical Data | NSN 5310-00-857-5557
Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
NUT STYLE HEXAGON
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPE CHAMFERED
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3B
NUT HEIGHT0.240 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
WIDTH ACROSS FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
LUBRICATION DRY FILM LUBRICANT
TEMP RATING450.0 DEG FAHRENHEIT NOMINAL
BEARING SURFACE FINISH125.0 MICROINCHES