Part Number
Part Number:
NSN:
NIIN:
Item Name:
WASHER , CONCAVE
Definition:
A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.
CAGE Information
Code | Company |
---|---|
80205 | NATIONAL AEROSPACE STANDARDS COMMITT |
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 |
---|---|---|
SFTT | SURFACE TREATMENT | NICKEL OVERALL AND ZINC OVERALL |
STYL | STYLE DESIGNATOR | CONCAVE |
ABGG | RADIUS | 0.385 INCHES MINIMUM AND 0.415 INCHES MAXIMUM |
ABMD | RECESS DIAMETER | 0.620 INCHES MAXIMUM |
CQFM | HARDNESS RATING | 41.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1288 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATT | MATERIAL | STEEL OVERALL |
ABPX | MATERIAL THICKNESS | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2417 ASSN STD 1ST TREATMENT RESPONSE OVERALL AND AMS 2417 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
AAUB | HOLE DIAMETER | 0.435 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
ABKV | OUTSIDE DIAMETER | 0.640 INCHES MAXIMUM |