National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
Reference/Part Number
CAGE Information
| Code |
Company |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 92215 |
ALCOA GLOBAL FASTENERS INC. DBA ALCO |
| 81755 |
LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATN |
SHOULDER DIAMETER |
0.315 INCHES MINIMUM FIRST SHOULDER AND 0.325 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.315 INCHES MINIMUM FIRST SHOULDER AND 0.325 INCHES MAXIMUM FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM GRIP |
| CWYB |
SHOULDER SHAPE |
ROUND ALL SHOULDERS |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 ASSN STD SINGLE TREATMENT RESPONSE GRIP |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 ASSN STD SINGLE TREATMENT RESPONSE HEAD |
| AAJD |
THREAD CLASS |
3A |
| SFTT |
SURFACE TREATMENT |
CADMIUM HEAD |
| AATN |
SHOULDER DIAMETER |
0.371 INCHES MINIMUM SECOND SHOULDER AND 0.372 INCHES MAXIMUM SECOND SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| FEAT |
SPECIAL FEATURES |
SHOULDER 16 MICROINCH FINISH |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| SFTT |
SURFACE TREATMENT |
CADMIUM THREADS |
| AATX |
SHOULDER LENGTH |
0.270 INCHES MINIMUM SECOND SHOULDER AND 0.295 INCHES MAXIMUM SECOND SHOULDER |
| AATX |
SHOULDER LENGTH |
0.050 INCHES MINIMUM FIRST SHOULDER AND 0.070 INCHES MAXIMUM FIRST SHOULDER |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.295 INCHES MINIMUM FIRST HOLE AND 1.325 INCHES MAXIMUM FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AASL |
HEAD DIAMETER |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
1.411 INCHES MINIMUM AND 1.441 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.316 INCHES MINIMUM |
Similar Parts