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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
HT309-7D19 L4528 A 5 2 4 ZZ
HT8177-7D19 C4293 A 5 2 3 ZG
BM19031-7-19D 97928 R 5 9 4 9Z
73991H-7D19 80539 A 5 2 4 9Z
ST3M562-7D19 2N935 A 5 2 6 9Z
BM19031-7-19D 17446 A 5 2 5 ZZ
HT309-7D19 C4293 A 5 2 3 ZG
HT8177-7D19 92215 A 5 9 4 9Z
HT309-7D19 R1120 A 5 2 6 ZG
HT8177-7D19 06950 A 5 2 5 ZZ
HT309-7D19 73197 A 5 2 4 9Z
ST3M562-7D19 76301 A 3 2 2 9Z
73991H-7D19 56878 A 5 9 4 9Z

CAGE Information

Code Company
06950 ALCOA GLOBAL FASTENERS INC. DBA ALCO
L4528 LISI AEROSPACE CANADA CORP
C4293 ALCOA FASTENING SYSTEMS FAIRCHILD FA
97928 HUCK INTL INC
80539 SPS TECHNOLOGIES LLC DBA AEROSPACE F
2N935 BE AEROSPACE INC.
17446 HUCK INTERNATIONAL INC. DBA ALCOA FA
92215 ALCOA GLOBAL FASTENERS INC. DBA ALCO
R1120 SATAIR A/S
73197 HI-SHEAR CORPORATION
76301 BOEING COMPANY THE DBA BOEING
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.638 INCHES MINIMUM AND 1.685 INCHES MAXIMUM
CRSQ COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
THSD THREAD SERIES DESIGNATOR UNJF
AAJD THREAD CLASS 3A
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MAC PS13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AAUR GRIP DIAMETER 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
AASK HEAD STYLE FLAT COUNTERSUNK
MATT MATERIAL STEEL OVERALL
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 1.510 INCHES MINIMUM FIRST HOLE AND 1.567 INCHES MAXIMUM FIRST HOLE
AAWB SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM FIRST HOLE AND 0.111 INCHES MAXIMUM FIRST HOLE
ANEE GRIP LENGTH 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
ABQZ INTERNAL DRIVE STYLE HIGH-TORQUE
ZZZK SPECIFICATION/STANDARD DATA 76301-ST3-562 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AASA THREAD LENGTH 0.466 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 20
AASL HEAD DIAMETER 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL

Similar Parts

HT8177-7D19 , HT81777D19 , 5305-01-013-9598 , 5305010139598 , 010139598 , HT309-7D19 , HT8177-7D19 , BM19031-7-19D , 73991H-7D19 , ST3M562-7D19 , BM19031-7-19D , HT309-7D19 , HT8177-7D19 , HT309-7D19 , HT8177-7D19 , HT309-7D19 , ST3M562-7D19 , 73991H-7D19 ,