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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| AGAV | END ITEM IDENTIFICATION | ASDS |
| STYL | STYLE DESIGNATOR | CONCAVE |
| FEAT | SPECIAL FEATURES | DRAWING CALLS THIS: WASHER - HALF SPHERICAL CONCAVE, SUPPORT POST |
| AAUB | HOLE DIAMETER | 3.120 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 4.310 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP A2 OVERALL |
| SUPP | SUPPLEMENTARY FEATURES | BOTH TOP AND BOTTOM OUTER EDGES ARE CHAMFERED 0.06 INCH X 45 DEGREES |
| ABGG | RADIUS | 6.750 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.660 INCHES NOMINAL |