Part Number
Definition:
A TUBULAR SHAPED ITEM WITH OR WITHOUT FLANGE(S) DESIGNED TO REDUCE FRICTION AND CARRY A KINETIC LOAD ON THE SURFACE(S) PARALLEL TO THE AXIS OF THE BORE. IT MUST HAVE A VISIBLE OR DETECTABLE MEANS OF LUBRICATION OR BE SELF-LUBRICATED. THE OVER ALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY, EXCEPT FOR STRAIGHT TUBULAR (WITHOUT FLANGE OR SHOULDER) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDE 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. SEE ALSO BUSHING, SLEEVE; SPACER, SLEEVE; AND WASHER (AS MODIFIED). EXCLUDES PIN, HOLLOW.
CAGE Information
| Code | Company |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO 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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,COND H1025 PER H+1-17 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| ZZZK | SPECIFICATION/STANDARD DATA | 02731-HS5446 MANUFACTURERS STANDARD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,COND H1025 PER H+1-17 ASSN STD SINGLE MATERIAL RESPONSE OUTSIDE DIAMETER SURFACE OF FLANGE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,COND H1025 PER H+1-17 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF BODY |
| MATT | MATERIAL | STEEL COMP 630 OUTSIDE DIAMETER SURFACE OF BODY |
| STYL | STYLE DESIGNATOR | SOLID |
| FEAT | SPECIAL FEATURES | MAGNETIC PARTICLE INSPECTION PER HP6-5 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,COND H1025 PER H+1-17 ASSN STD SINGLE MATERIAL RESPONSE RIGHT END SURFACE OF LEFT FLANGE |
| ADAR | BODY OUTSIDE DIAMETER | 2.0178 INCHES MINIMUM AND 2.0181 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 1.7270 INCHES MINIMUM AND 1.7340 INCHES MAXIMUM |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE INSIDE DIAMETER SURFACE OF BODY AND PLASTIC POLYAMIDE INSIDE DIAMETER SURFACE OF BODY AND PLASTIC PHENOLIC INSIDE DIAMETER SURFACE OF BODY |
| AGFF | FLANGE WIDTH | 0.0887 INCHES MINIMUM AND 0.0937 INCHES MAXIMUM |
| AEPR | FLANGE OUTSIDE DIAMETER | 2.4800 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| MATT | MATERIAL | STEEL COMP 630 OUTSIDE DIAMETER SURFACE OF FLANGE |
| MATT | MATERIAL | STEEL COMP 630 RIGHT END SURFACE OF BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643,COND H1025 PER H+1-17 ASSN STD SINGLE MATERIAL RESPONSE LEFT END SURFACE OF BODY AND FLANGE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 630 LEFT END SURFACE OF BODY AND FLANGE |
| MATT | MATERIAL | STEEL COMP 630 RIGHT END SURFACE OF LEFT FLANGE |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| ABHP | OVERALL LENGTH | 1.0562 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-81820 MIL SPEC SINGLE MATERIAL RESPONSE INSIDE DIAMETER SURFACE OF BODY |