Part Number
Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHOULDER
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (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 NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.
CAGE Information
| Code | Company |
|---|---|
| 11449 | TURBO POWER & MARINE SYSTEM INC SUB |
Federal Supply Class
Title
BOLTS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AATX | SHOULDER LENGTH | 0.170 INCHES MINIMUM FIRST SHOULDER AND 0.200 INCHES MAXIMUM FIRST SHOULDER |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.680 INCHES MINIMUM AND 1.700 INCHES MAXIMUM |
| AASK | HEAD STYLE | SQUARE EXTENDED WASHER |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AATN | SHOULDER DIAMETER | 0.312 INCHES NOMINAL FIRST SHOULDER |
| AASA | THREAD LENGTH | 1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AATC | EXTENDED WASHER DIAMETER | 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |