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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
SCREW , CLOSE TOLERANCE

Definition:

A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (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 DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
NAS1578V5H10 80205 A 3 2 4 KZ
NAS1578V5M10 80205 A C 1 6 ZZ AC

CAGE Information

Code Company
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
AASB FASTENER LENGTH 1.111 INCHES MINIMUM AND 1.141 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 24
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
AASK HEAD STYLE PAN NO. 2
AASL HEAD DIAMETER 0.597 INCHES MINIMUM AND 0.612 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
CSYM SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AASU HEAD HEIGHT 0.176 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.476 INCHES MINIMUM AND 0.526 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AAUR GRIP DIAMETER 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
MATT MATERIAL TITANIUM ALLOY OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION NAS621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ABQZ INTERNAL DRIVE STYLE HIGH-TORQUE
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES
ANEE GRIP LENGTH 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM

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