| Item Name | Bushing Sleeve |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3120 Bearings Plain Unmounted |
| National Item Identification Number (NIIN) | 00-662-0421 (006620421) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 4B21MS5-018 | boeing company the | bushing sleeve | 43999 | RFQ |
| LD137-0018-3018 | boeing company the | bushing sleeve | 43999 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 0.5575 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM |
| ADAR | BODY OUTSIDE DIAMETER | 0.4355 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM |
| ADAS | BODY INSIDE DIAMETER | 0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES LEFT END SURFACE OF BODY |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| CSYM | SURFACE FINISH | 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| CSYM | SURFACE FINISH | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL AND STEEL COMP 4135 OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OUTSIDE DIAMETER SURFACE OF BODY |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE DIAMETER SURFACE OF BODY |
| STYL | STYLE DESIGNATOR | SOLID,PLAIN,NO OUTSIDE FLANGES |
| TEST | TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTIN |
| ZZZK | SPECIFICATION/STANDARD DATA | 43999-LD137-0018 MANUFACTURERS SOURCE CONTROL |
| Components Related to NSN - 3120-00-662-0421, 3120006620421 | ||||
| 3120-00-051-4342 (3120000514342) | 3120-00-828-3792 (3120008283792) | 3120-01-300-7019 (3120013007019) | 3110-00-555-5337 (3110005555337) | |
| 3110-00-900-7961 (3110009007961) | 3110-21-908-2837 (3110219082837) | 3130-01-119-5876 (3130011195876) | 3120-01-517-4902 (3120015174902) | |
| 3120-01-392-2220 (3120013922220) | 3130-01-256-8283 (3130012568283) | 3120-00-326-4661 (3120003264661) | 3110-01-302-9299 (3110013029299) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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