Part Number
Definition:
A WASHER HAVING A CENTRALLY LOCATED HOLE WITH A SOLID OR LAMINATED CROSS-SECTION AND TWO FLAT PARALLEL BEARING SURFACES. THE HOLE MUST BE 75 PERCENT OR LESS THAN THE LARGEST DIMENSION AND THE BEARING SURFACE FINISH IS GREATER THAN 32 MICROINCH (0.8 MICROMETER). THE THICKNESS CANNOT EXCEED 25 PERCENT OF THE LARGEST OUTSIDE DIMENSION. WHEN THE LARGEST OUTSIDE DIMENSION IS LESS THAN 1/4 INCH OR 6MM, THE THICKNESS MUST BE 0.006 INCHES (0.15MM) OR GREATER AND FOR ITEMS 1/4 INCH (6MM) OR LARGER, THE THICKNESS MUST BE 0.016 INCHES (0.4MM) OR GREATER. THE MAXIMUM TOLERANCE IS APPLIED TO DIMENSIONS AND USED AS A DETERMINING FACTOR. ITEMS WITH SEPARABLE LAMINATION USE SHIM. FOR ITEMS FABRICATED FROM CERAMIC OR ELECTRICALLY RATED MATERIALS BY SPECIFICATION OR INDUSTRY STANDARDS USE INSULATOR (1), WASHER. EXCLUDES DISK, VALVE, GRAPHITE IMPREGNATED AND LUBRICATED ITEMS.
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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A29, UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| CQFM | HARDNESS RATING | 21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1524 OVERALL |
| ADAV | OVERALL DIAMETER | 0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |