Part Number
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.
CAGE Information
| Code | Company |
|---|---|
| 80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1297 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THSD | THREAD SERIES DESIGNATOR | UNJC |
| AASA | THREAD LENGTH | 0.342 INCHES MINIMUM AND 0.392 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | FURNISHED WITH UNDERCUT |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATB | WIDTH BETWEEN FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AATN | SHOULDER DIAMETER | 0.186 INCHES MINIMUM FIRST SHOULDER AND 0.189 INCHES MAXIMUM FIRST SHOULDER |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| AASK | HEAD STYLE | HEXAGON |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| AATX | SHOULDER LENGTH | 0.135 INCHES MINIMUM FIRST SHOULDER AND 0.145 INCHES MAXIMUM FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASB | FASTENER LENGTH | 0.487 INCHES MINIMUM AND 0.527 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
| AASU | HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 4037 OVERALL |