National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| K19701P4 | 15653 | A | 5 | 9 | A | ZZ | ||
| BACW10AU4 | 15653 | A | 5 | 2 | 5 | ZZ | ||
| BACW10AU4 | 10630 | A | 5 | 2 | 5 | ZZ | ||
| 53488W-428 | 56878 | A | 5 | 9 | A | ZZ | ||
| BACW10AU4 | 56878 | A | 5 | 2 | 5 | ZZ | ||
| BACW10AU4 | 81205 | A | 3 | 2 | A | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 10630 | ANILLO INDUSTRIES INC. DBA ANILLO IN |
| 15653 | ALCOA GLOBAL FASTENERS INC. |
| 56878 | SPS TECHNOLOGIES LLC DBA AEROSPACE D |
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
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 |
|---|---|---|
| STYL | STYLE DESIGNATOR | CONCAVE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.348 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| ABGG | RADIUS | 0.300 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACW10AU MANUFACTURERS STANDARD |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.051 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL |
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