NIIN Output Data
NIIN:
NSN:
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 |
|---|---|---|---|---|---|---|---|---|
| KP21BS | 21335 | A | 5 | 9 | 4 | KZ | ||
| KP21BS | 38443 | A | 5 | 9 | 4 | KZ | ||
| KP21BSFS464 | 06144 | A | 3 | 2 | 5 | ZZ | ||
| MS27648-21 | 81343 | A | 3 | 2 | 5 | ZZ | ||
| MS27648-21 | 96906 | M | 5 | 9 | 4 | KE | ||
| KP21BSFS464 | 21335 | A | 5 | 9 | 5 | KE | ||
| AS27648 | 81343 | A | 3 | 1 | 5 | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 06144 | INDUSTRIAL TECTONICS BEARINGS CORPOR |
| 21335 | TIMKEN AEROSPACE, INC TIMKEN AEROSPA |
| 38443 | SKF USA INC DBA SKF AEROENGINE NORTH |
| 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| 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 |
| MATT | MATERIAL | STEEL COMP E52100 BALL OR STEEL COMP E51100 BALL |
| ADGA | OVERALL OUTSIDE DIAMETER | 2.2500 INCHES NOMINAL |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| CTFZ | STANDARD TOLERANCE DESIGNATION | AFBMA STD TOLERANCE FOR AIRFRAME BALL BEARINGS |
| MATT | MATERIAL | STEEL COMP E52100 OUTER RING |
| AGZC | LOAD DIRECTION | RADIAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD 1ST MATERIAL RESPONSE SEAL OR AMS 3666 ASSN STD 2ND MATERIAL RESPONSE SEAL |
| ADZG | LUBRICATION MATERIAL | GREASE |
| AGVT | ||
| CBBL | FEATURES PROVIDED | ALIGNING RING |
| ABXV | BORE DIAMETER | 1.3130 INCHES NOMINAL |
| AGVU | ||
| FEAT | SPECIAL FEATURES | 80 PCT FULL OF SPECIFIED GREASE,0.0003 IN. TO 0.0010 IN. RADIAL CLEARANCE,6.5 DEG SELF ALIGNMENT IN EITHER DIRECTION |
| SFTT | SURFACE TREATMENT | CADMIUM EXPOSED SURFACES AS MOUNTED |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL OR PLASTIC SEAL |
| AGYJ | SEAL QUANTITY | 2 |
| MATT | MATERIAL | STEEL COMP E52100 INNER RING |
| AHAW | SELF-ALIGNMENT LOCATION | EXTERNAL |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| STYL | STYLE DESIGNATOR | SINGLE ROW, EXTERNAL SELF ALIGNING, W/ALIGNING RING |
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,
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MS27648-21 ,
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