ASAP Semiconductor is an industry-leading distributor for shopping for parts by National Stock Number (NSN) data, the items featured within this catalog all falling under NSN 3120-01-109-1972 (3120011091972). Toward the top of this page, you will find several details that pertain to this NSN, allowing you to confirm various aspects of these offerings to ensure accurate procurement. Meanwhile, the part numbers that we have available for purchase can be found below, with Request for Quote (RFQ) links provided alongside each should you wish to make a purchase. Our team is also available by phone or email to support you during the procurement process, so never hesitate to take the first step with us.
| Alternative NSN: | 3120011091972 | 
| Manufacturers | General Dynamics Defense Systems | 
| Item Name | Bearing Washer Thru | 
| INC Code | 13211 | 
| Federal Supply Group (FSG) | 31 Bearings | 
| Federal Supply Class (FSC) | 3120 Bearings Plain Unmounted | 
| National Item Identification Number (NIIN) | 01-109-1972 (011091972) | 
| NCB Code | USA (01) | 
| MRC | Criteria | Characteristic | 
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | 
| ABKV | OUTSIDE DIAMETER | 4.1300 INCHES NOMINAL | 
| ABMX | CENTER HOLE SHAPE STYLE | ROUND | 
| ABMZ | DIAMETER | 2.8210 INCHES NOMINAL | 
| ADUM | OVERALL THICKNESS | 0.0970 INCHES NOMINAL | 
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS | 
| FEAT | SPECIAL FEATURES | 8 CUT GROOVES ON FLAT BEARING SURFACE,EQUALLY SPACED,180 DEGREE GROOVES,AT 45DEGREES AROUND DIA,0.018IN. DEPTH;BRONZE ALLOY DEPTH 0.010-0.020IN. | 
| MATT | MATERIAL | COPPER ALLOY 794 FLAT BEARING SURFACE | 
| MATT | MATERIAL | STEEL BODY | 
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-13506 MIL SPEC 1ST MATERIAL RESPONSE OVERALL | 
| STYL | STYLE DESIGNATOR | ROUND | 
| 3120-01-481-9378 (3120014819378) | 3120-01-414-5948 (3120014145948) | 3110-01-266-9947 (3110012669947) | 3120-00-410-8177 (3120004108177) | 
| 3120-00-922-6891 (3120009226891) | 3110-01-388-4173 (3110013884173) | 3110-01-486-5191 (3110014865191) | 3120-01-354-4609 (3120013544609) | 
| 3110-00-905-6915 (3110009056915) | 3120-01-371-2078 (3120013712078) | 3120-01-471-5443 (3120014715443) | 3120-01-124-5080 (3120011245080) | 
We hope that you will visit us again the next time you need board-level components, aviation and aerospace parts, and more. Allow us to serve as your strategic purchasing partner.
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