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 |
| 03481 |
BFGOODRICH CO THE AEROSPACE DIV ENGI |
| 06725 |
SPS TECHNOLOGIES LLC DBA AIR INDUSTR |
| 47253 |
PILGRIM SCREW CORPORATION |
| 27624 |
PAUL R. BRILES INC. DBA PB FASTENERS |
| 26512 |
NORTHROP GRUMMAN SYSTEMS CORPORATION |
| 17446 |
HUCK INTERNATIONAL INC. DBA ALCOA FA |
| 0ZC92 |
HEARTLAND PRECISION FASTENERS INC. |
| 28972 |
FASTENER ENGINEERING CORP |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC |
Requirements Statement |
Clear Text Reply |
| AATN |
SHOULDER DIAMETER |
0.194 INCHES NOMINAL FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AATX |
SHOULDER LENGTH |
0.485 INCHES NOMINAL FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
0.844 INCHES NOMINAL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.319 INCHES MINIMUM |
| AASL |
HEAD DIAMETER |
0.276 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CQFM |
HARDNESS RATING |
33.0 ROCKWELL C NOMINAL OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
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