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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
BUSHING , SLEEVE

Definition:

A TUBULAR SHAPED UNTHREADED ITEM WITH OR WITHOUT A FLANGE AT ONE END DESIGNED TO BE INSERTED INTO A HOLE TO REDUCE THE INSIDE DIAMETER OF THE HOLE AND TO PROTECT THE SURROUNDING BODY STRUCTURE FROM DAMAGE RESULTING FROM STRESS, STRAIN, AND/OR VIBRATION. THE OVERALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDES 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. FOR ITEMS MADE OF RUBBER, SEE BUSHING, NONMETALLIC. SEE ALSO BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; AND BUSHING, ELECTRICAL CONDUCTOR. EXCLUDES BUSHING, DRILL, JIG.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
21-018-31-16 97499 A 3 2 4 KZ

CAGE Information

Code Company
97499 BELL HELICOPTER TEXTRON INC.

Federal Supply Class

Title

BEARINGS, PLAIN, UNMOUNTED

Inclusions:

INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.

Exclusions:

EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ABHP OVERALL LENGTH 0.4970 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL
CSYM SURFACE FINISH 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
STYL STYLE DESIGNATOR SOLID
BZLX CORNER SHAPE CHAMFERED INSIDE LEFT CORNER
ADAS BODY INSIDE DIAMETER 0.9683 INCHES MINIMUM AND 0.9693 INCHES MAXIMUM
CSYM SURFACE FINISH 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
BZLX CORNER SHAPE CHAMFERED INSIDE RIGHT CORNER
CSYT CHAMFER ANGLE (NON-CORE) ERR-070
BZLX CORNER SHAPE SQUARE OUTSIDE LEFT CORNER
BZLX CORNER SHAPE SQUARE OUTSIDE RIGHT CORNER
ADAR BODY OUTSIDE DIAMETER 1.1265 INCHES MINIMUM AND 1.1270 INCHES MAXIMUM
CSYM SURFACE FINISH 125.0 MICROINCHES RIGHT END SURFACE OF BODY
CSYM SURFACE FINISH 125.0 MICROINCHES LEFT END SURFACE OF BODY
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAZP CHAMFER LENGTH ERR-070 AND ERR-070
SFTT SURFACE TREATMENT CADMIUM OVERALL
CQFM HARDNESS RATING 26.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL

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