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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
BOLT , SHEAR

Definition:

A HIGH STRENGTH, 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH EXTERNALLY THREADED FASTENER DESIGNED FOR USE IN APPLICATIONS INVOLVING GREAT SHEAR STRESS. THE HEAD IS DESIGNED TO ACCOMMODATE AN EXTERNAL WRENCH OR DRIVER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. THE UNTHREADED PORTION IS OF SPECIFIC GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE BOLT, MACHINE AND BOLT, CLEVIS.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
20-057-4S25D 27624 A C 1 5 KZ AC
20-057-4S25D 06950 A C 1 5 KZ AC
20-057-4S25D 97928 R C 1 5 KZ AC
20-057-4S25D 80539 A C 1 5 KZ AC
20-057-4S25D 97499 A C 1 5 KZ AC
NAS6604D25 80205 A 3 2 4 KZ

CAGE Information

Code Company
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO
27624 PAUL R. BRILES INC. DBA PB FASTENERS
97928 HUCK INTL INC
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
97499 BELL HELICOPTER TEXTRON INC.
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
AATB WIDTH BETWEEN FLATS 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
MATT MATERIAL STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL
THSD THREAD SERIES DESIGNATOR UNJF
CSYM SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS6604 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AASB FASTENER LENGTH 1.972 INCHES MINIMUM AND 2.002 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
ANEE GRIP LENGTH 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASU HEAD HEIGHT 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
AAUR GRIP DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
AASK HEAD STYLE DISHED HEXAGON
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.784 INCHES MINIMUM FIRST HOLE AND 1.834 INCHES MAXIMUM FIRST HOLE
AAWB SHANK UNTHREADED HOLE DIAMETER 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
AASA THREAD LENGTH 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM

Similar Parts

20-057-4S25D , 200574S25D , 5306-01-153-0846 , 5306011530846 , 011530846 , 20-057-4S25D , 20-057-4S25D , 20-057-4S25D , 20-057-4S25D , 20-057-4S25D , NAS6604D25 ,