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 3040-00-684-2149 (3040006842149). 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: | 3040006842149 |
| Manufacturers | Westinghouse Electric Corp |
| Item Name | Worm Shaft |
| INC Code | 18249 |
| Federal Supply Group (FSG) | 30 Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-684-2149 (006842149) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| CFFC | Worm Thread Lead | 2.500 INCHES NOMINAL |
| CFFL | Worm Pitch Diameter | 4.085 INCHES NOMINAL |
| CFFW | Shaft Location | BOTH ENDS OF WORM |
| CFFX | Straight Unthreaded Length | 2.5625 INCHES NOMINAL EITHER END, SECOND PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.5597 INCHES MAXIMUM EITHER END, SECOND PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.166 INCHES MAXIMUM EITHER END, NINTH PORTION |
| AASA | Thread Length | 2.313 INCHES NOMINAL EITHER END, SEVENTH PORTION |
| AKAF | Shaft Thread Direction | RIGHT-HAND EITHER END, TENTH PORTION |
| ABHP | Overall Length | 29.875 INCHES NOMINAL |
| AASA | Thread Length | 0.750 INCHES NOMINAL EITHER END, THIRD PORTION |
| AJYP | Screw Thread Series Designator | UNF-2A EITHER END, TENTH PORTION |
| CFFB | Worm Thread Quantity | 2 |
| CFFK | Worm Outside Diameter | 4.881 INCHES NOMINAL |
| CFFQ | Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| CFFX | Straight Unthreaded Length | 2.3125 INCHES NOMINAL EITHER END, NINTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.165 INCHES MINIMUM EITHER END, NINTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.5592 INCHES MINIMUM EITHER END, SECOND PORTION |
| CFGB | Unthreaded Section Keyway Depth | 0.2656 INCHES NOMINAL EITHER END, NINTH PORTION |
| MATT | Material | STEEL,AISI8620 |
| AAHN | End Similarity | NOT IDENTICAL |
| CFFD | Worm Thread Direction | RIGHT-HAND |
| CFFM | Shaft Hardness Rating | C SCALE 24 MIN |
| CFFX | Straight Unthreaded Length | 0.250 INCHES NOMINAL EITHER END, FOURTH PORTION |
| CFFX | Straight Unthreaded Length | 3.875 INCHES NOMINAL EITHER END, FIRST PORTION |
| CFFY | Straight Unthreaded Section Diameter | 3.250 INCHES NOMINAL EITHER END, FIFTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.250 INCHES NOMINAL EITHER END, FOURTH PORTION |
| AJYP | Screw Thread Series Designator | UNEF-2A EITHER END, THIRD PORTION |
| BYFR | Teeth Hardness Rating | 56.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM |
| AJYP | Screw Thread Series Designator | UNEF-2A EITHER END, SEVENTH PORTION |
| AKAF | Shaft Thread Direction | RIGHT-HAND EITHER END, THIRD PORTION |
| MRC | Decoded Requirement | Clear Text Reply |
| CFFG | Worm Helix Angle | 11 DEG 2 MIN |
| CFFP | Worm Body Length | 8.000 INCHES NOMINAL |
| CFFX | Straight Unthreaded Length | 1.500 INCHES NOMINAL EITHER END, SIXTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 0.2625 INCHES NOMINAL EITHER END, EIGHTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.7575 INCHES MAXIMUM EITHER END, SIXTH PORTION |
| CFFZ | Unthreaded Section Keyway Width | 0.4950 INCHES NOMINAL EITHER END, NINTH PORTION |
| AASA | Thread Length | 1.313 INCHES NOMINAL EITHER END, TENTH PORTION |
| AKAF | Shaft Thread Direction | RIGHT-HAND EITHER END, SEVENTH PORTION |
| AGVN | Shaft Thread Size | UNABLE TO DECODE |
| CFFF | Worm Pressure Angle In Deg | 14.5 |
| CFFN | Worm Thread Section Length | 8.000 INCHES NOMINAL |
| CFFX | Straight Unthreaded Length | 0.844 INCHES NOMINAL EITHER END, EIGHTH PORTION |
| CFFX | Straight Unthreaded Length | 7.8125 INCHES NOMINAL EITHER END, FIFTH PORTION |
| CFFY | Straight Unthreaded Section Diameter | 3.250 INCHES NOMINAL EITHER END, FIRST PORTION |
| CFFY | Straight Unthreaded Section Diameter | 2.7560 INCHES MINIMUM EITHER END, SIXTH PORTION |
| ZZZV | Fsc Application Data | STEAM TURBINE |
| 3020-01-329-9943 (3020013299943) | 3040-01-117-1156 (3040011171156) | 3040-01-360-5596 (3040013605596) | 3040-00-102-0365 (3040001020365) |
| 3040-01-537-0611 (3040015370611) | 3040-01-624-5258 (3040016245258) | 3020-00-118-4055 (3020001184055) | 3020-00-272-6024 (3020002726024) |
| 3040-01-309-0824 (3040013090824) | 3020-00-448-5254 (3020004485254) | 3020-00-014-1855 (3020000141855) | 3040-00-908-0674 (3040009080674) |
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