Part Number
Definition:
A METALLIC HEADED FASTENER HAVING INTERNAL THREADS FOR A PORTION OF THE FULL LENGTH. IT MAY HAVE A SMOOTH, HEXAGON OR SPLINED SHANK WITH AN OPEN OR CLOSED END. IT IS DESIGNED TO BE EXPANDED TIGHTLY AGAINST THE MATERIAL IT IS BEING INSTALLED IN BY MEANS OF A SPECIAL TOOL. THE ITEM MUST HAVE A SPECIFIED GRIP RANGE. THE GRIP RANGE IS THE THICKNESS OF THE MATERIAL THE ITEM IS BEING INSTALLED IN. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
CAGE Information
| Code | Company |
|---|---|
| 56878 | SPS TECHNOLOGIES LLC DBA AEROSPACE D |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | SERRATED WITH PILOT |
| AASK | HEAD STYLE | SERRATED WITH PILOT |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASL | HEAD DIAMETER | 0.520 INCHES MAXIMUM |
| ACTD | NUT DIAMETER | 0.489 INCHES MINIMUM AND 0.491 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| CQFM | HARDNESS RATING | NOT RATED |
| ACTA | NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACVN | NUT LENGTH | 1.400 INCHES MINIMUM AND 1.410 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3B |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| AASU | HEAD HEIGHT | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.385 INCHES MINIMUM NUT AND 0.390 INCHES MAXIMUM NUT |
| ADFL | HEAD PILOT DIAMETER | 0.489 INCHES MINIMUM AND 0.491 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | ANY ACCEPTABLE NUT |
| ADEY | NUT GRIP RANGE | +0.360/+0.400 INCHES |
| ADFN | SHANK END TYPE | CLOSED |
| BZRR | THREAD SERIES | UNJF |
| ADFK | NUT COUNTERBORE DEPTH | 0.572 INCHES NOMINAL NUT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |