At NSN Unlimited, we maintain a large database of parts T638-1740, T638 1740, 47-661-040-1, 47 661 040 1 with NSN 5310-00-638-1740 used in civil and defense applications for the aerospace, marine, and commercial manufactured by Bell Helicopter Textron Inc, Tossco Inc. Utilize our interface to browse items by part number, part type, manufacturer, and more. Obtain insights on top MRO and FBO services, Manufacturer profiles, and part catalogs.
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| Alternative NSN: 5310-00-638-1740 |
| Item Name: Washer Key |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5310 Nuts and Washers |
| NIIN: 006381740 |
| NCB Code: USA (00) |
| Manufacturers: Bell Helicopter Textron Inc , Tossco Inc |
| Part No | NSN | Item Name | Manufacturer | QTY | RFQ |
|---|---|---|---|---|---|
| T638-1740 | 5310-00-638-1740 | washer key | bell helicopter textron inc | Avl | RFQ |
| T638 1740 | 5310-00-638-1740 | washer key | tossco inc | Avl | RFQ |
| 47-661-040-1 | 5310-00-638-1740 | washer key | tossco inc | Avl | RFQ |
| 47 661 040 1 | 5310-00-638-1740 | washer key | bell helicopter textron inc | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.885 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.200 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.200 INCHES NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.160 INCHES NOMINAL |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.320 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.650 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 4 |
| ABMR | INTERNAL KEY QUANTITY | 2 |
| ABPX | MATERIAL THICKNESS | 0.040 INCHES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 30.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | TWO SETS OF EXTNERAL KEYS UNEQUALLY SPACED,FIRST EXTERNA KEY 30 DEG FROM INTERNAL KEY AND SECOND EXTERNAL KEY 60 DEG FROM INTERNAL KEY WITH OPPOSITE SET OF EXTERNAL KAY 180 DEG APART |
| MATT | III MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
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