National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
BEARING , BALL , AIRFRAME
Definition:
A CYLINDRICAL ITEM IN WHICH THE INNER OR OUTER RING TURNS UPON ROW(S) OF HARDENED BALL, BEARING WHICH ROLL ON A RACEWAY, THUS MINIMIZING FRICTION. THESE ITEMS ARE CHARACTERIZED BY THEIR NONCORROSIVE QUALITIES, LIGHTNESS OF WEIGHT, INCH DIMENSIONS RATHER THAN METRIC, INNER RINGS GENERALLY PROJECTING BEYOND THE FACES OF THE OUTER RING, OR A VERY NARROW WIDTH INNER RING HAVING AN OUTSIDE DIAMETER SLIGHTLY LARGER THAN THE BORE DIAMETER. DESIGNED PRIMARILY FOR USE IN AIRCRAFT ASSEMBLIES, SUCH AS CONTROL SYSTEMS AND SURFACES OF AIRCRAFT. EXCLUDES BEARING, BALL, ANNULAR.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| DW4KFS464 | 21335 | A | 5 | 1 | 1 | KZ | ||
| AS7949 | 81343 | A | 3 | 1 | 1 | ZZ | ||
| DW4KFS464 | 3NPS1 | A | 5 | 1 | 5 | ZZ | ||
| MS27647-4 | 81343 | A | 3 | 2 | 5 | ZZ | ||
| DW4K | 38443 | A | 5 | 9 | 5 | KZ | ||
| MS27647-4 | 96906 | M | 5 | 9 | 4 | SB | ||
| DW4KFAFNIR | 21335 | A | 5 | 9 | 4 | KZ |
CAGE Information
| Code | Company |
|---|---|
| 21335 | TIMKEN AEROSPACE, INC TIMKEN AEROSPA |
| 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 3NPS1 | RBC AIRCRAFT PRODUCTS INC. |
| 38443 | SKF USA INC DBA SKF AEROENGINE NORTH |
| 96906 | MILITARY STANDARDS PROMULGATED BY MI |
Federal Supply Class
Title
BEARINGS, ANTIFRICTION, UNMOUNTE
Inclusions:
INCLUDES BALL BEARINGS; ROLLER BEARINGS; BALLS; RACES.
Exclusions:
EXCLUDES PLAIN BEARINGS (FSC 3120); JEWEL BEARINGS (FSC 3120)
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGYW | BEARING SEAL TYPE | CONTACT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BEARING BALL, AIRFRAME, ANTI FRICTION, EXTRA WIDE DOUBLE ROW, INTERMEDIATE DUTY |
| FEAT | SPECIAL FEATURES | M80 PCT FULL OF GREASE MIL-G-81322,HEAT TREAT RINGS AND BALLS TO ROCKWELL C SCALE 60 TO 66 AND HEAT STABILIZED FOR OPERATION AT 250 DEG F,RADIAL AND LATERAL ECCENTRICITY 0.0010 IN. INNER RING,0.0016 IN. OUTER RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| SFTT | SURFACE TREATMENT | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| MATT | MATERIAL | STEEL COMP E52100 OUTER RING |
| AGZC | LOAD DIRECTION | RADIAL |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGVT | AND | |
| AGVU | AND | |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES |
| ABXV | BORE DIAMETER | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP E52100 BALL |
| ADGA | OVERALL OUTSIDE DIAMETER | 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM |
| AGYJ | SEAL QUANTITY | 2 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| MATT | MATERIAL | STEEL COMP E52100 INNER RING |
| STYL | STYLE DESIGNATOR | DOUBLE ROW |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
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