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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
NAS1972C2T 80205 A 3 2 E KZ

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
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
THSD THREAD SERIES DESIGNATOR UNJC
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1972 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
AASL HEAD DIAMETER 0.327 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
AASK HEAD STYLE FLAT COUNTERSUNK
AAUR GRIP DIAMETER 0.1625 INCHES MINIMUM AND 0.1635 INCHES MAXIMUM
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
AASA THREAD LENGTH 0.338 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
ANEE GRIP LENGTH 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
CMLP THREAD QUANTITY PER INCH 32
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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