NIIN Output Data
NIIN:
NSN:
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 |
| 04729 |
UNICORP |
| 1YGB8 |
CAREY MANUFACTURING COMPANY INC. DBA |
| 06540 |
NEW HAVEN MFG CORP AMATOM ELECTRONIC |
| 64583 |
HARRIS CORP GOVERNMENT AEROSPACE SYS |
| 61000 |
GLOBE FASTENERS INC |
| 51500 |
OPTICAL MACHINERY AND INSTRUMENT CO |
| 55566 |
R A F ELECTRONIC HARDWARE INC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASB |
FASTENER LENGTH |
0.563 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AASL |
HEAD DIAMETER |
0.375 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| AATN |
SHOULDER DIAMETER |
0.249 INCHES MINIMUM FIRST SHOULDER AND 0.250 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A555 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AATX |
SHOULDER LENGTH |
0.313 INCHES MINIMUM FIRST SHOULDER AND 0.315 INCHES MAXIMUM FIRST SHOULDER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASA |
THREAD LENGTH |
0.250 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
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