We've received your request for STC90287-3 (described as Gear Worm Wheel), manufactured by Spec Tool Company with CAGE code 07132. This part is registered under NSN 3020-01-256-6045, classified in FSG 30 Mechanical Power Transmission Equipment / FSC 3020 Gears Pulleys Sprockets and Transmission Chain. Our verification process will confirm traceability through supporting identifiers including NIIN 01-256-6045, NCB code 01 (origin: USA), and INC 05468. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your STC90287-3 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
How to Begin the Quotation Process
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 3020-01-256-6045 Item PartTypeName: GEAR,WORM WHEEL | 3020 | 012566045 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| STC90287-1 | 5 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AGJS | PITCH DIAMETER | 2.5000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 20 |
| ALPN | FACE TYPE | CONCAVE |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.000 INCHES |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.251 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.251 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.741 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| End Use : 21180 | Industrial machines, other |
|---|---|
| Schedule B : 8483409000 (NAICS 333612) | Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately |
| SITC : 74840 | Gears and gearing; ball screws; gear boxes and other speed changers (including torque converters) |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | U - Precious metal content is unknown |
![]() |
AS9120B and ISO 9001:2015 |
![]() |
Aviation Suppliers Association Member |
![]() |
FAA AC 0056B Accredited |
![]() |
AS 6081:2012 Certification |
![]() |
ESD S20.20-2014 Certification |
Don’t forget That We offer 24/7 Service, Competitive Prices, and Fast Deliveries. We Hope You'll Make Us Your One-Stop Purchasing Solution!
Request for Quote