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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
BOLT , CLOSE TOLERANCE

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE UNTHREADED PORTION IS OF A SPECIFIED 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. 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. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS HAVING CLOSE TOLERANCE, AND FABRICATED FROM MATERIAL HAVING 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH, SEE BOLT, SHEAR. FOR ITEMS FABRICATED FROM MATERIAL HAVING LESS THAN 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH AND NOT HAVING A CLOSE TOLERANCE, SEE BOLT, MACHINE.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
03A303-4H9 76823 A 3 2 A ZZ
PBF1573-4H9 27624 A 5 2 5 ZZ
84114-4H9 56878 A 5 2 5 ZZ

CAGE Information

Code Company
27624 PAUL R. BRILES INC. DBA PB FASTENERS
76823 NORTHROP GRUMMAN SYSTEMS CORPORATION
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
AASA THREAD LENGTH 0.397 INCHES NOMINAL
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THSD THREAD SERIES DESIGNATOR UNJF
CRHC HOLE CONFIGURATION STYLE SPLINE
FEAT SPECIAL FEATURES 145,000 P.S.I. MIN. SHEAR
CSYM SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
AASK HEAD STYLE SPLINE DRIVE SHEAR HEAD
AAJD THREAD CLASS 3A
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AASB FASTENER LENGTH 0.944 INCHES MINIMUM AND 0.974 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
ASXK HOLE QUANTITY 1
ANEE GRIP LENGTH 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
AAUB HOLE DIAMETER 0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
BQDM HOLE TYPE DRILLED
AAZH HEAD MINOR DIAMETER 0.447 INCHES MINIMUM
AAUR GRIP DIAMETER 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AASU HEAD HEIGHT 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL
MATT MATERIAL COBALT COMP MP-35-N OVERALL

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PBF1573-4H9 , PBF15734H9 , 5306-01-420-3601 , 5306014203601 , 014203601 , 03A303-4H9 , PBF1573-4H9 , 84114-4H9 ,