AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
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| Item Name | Worm Shaft |
| Federal Supply Group (FSG) | 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) |
| Manufacturer | Westinghouse Electric Corp |
| 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 |
| Relevant Components for NSN - 3040-00-684-2149, 3040006842149 | ||||
| 3020-00-570-6695 (3020005706695) | 3040-00-432-1954 (3040004321954) | 3040-00-503-1585 (3040005031585) | 3020-01-057-7033 (3020010577033) | |
| 3040-01-657-7446 (3040016577446) | 3040-01-469-1350 (3040014691350) | 3010-00-877-1440 (3010008771440) | 3020-00-239-0212 (3020002390212) | |
| 3020-01-342-8830 (3020013428830) | 3040-01-090-2230 (3040010902230) | 3040-00-766-1251 (3040007661251) | 3030-01-005-3750 (3030010053750) | |
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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