We’re pleased to announce that T21-400DY (Nut Coupling Flexible Casing, NSN: 3040-00-227-5721) is now in stock and ready for immediate quoting. This component, manufactured by Eaton Aviation Corporation (CAGE Code: 08118), is classified under NIIN 00-227-5721 and NCB Code 00 (USA), with additional categorization under FSG 30 Mechanical Power Transmission Equipment/FSC 3040 Miscellaneous Power Transmission Equipment and INC 20314. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part T21-400DY, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of T21-400DY without delay. Contact us today to meet your procurement needs efficiently
ASAP Part Services, a trusted subsidiary of ASAP Semiconductor, is a premier distributor of Eaton Aviation Corporation components—specializing in obsolete and hard-to-find parts. As an AS9120B, ISO 9001:2015, and FAA AC 0056B certified supplier, we adhere to the highest industry standards under the Aviation Suppliers Association (ASA). Our global network spans 5,000+ top manufacturers, ensuring access to over 2 billion unique parts for critical needs.
With strategically located shipping centers in California, we offer rapid same-day or next-day delivery on in-stock items like T21-400DY. Whether you're sourcing rare components or need expedited logistics, we provide reliable solutions to keep your operations moving forward.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 3040-00-227-5721 Item Description: Nut Coupling Flexible Casing | 3040 | 002275721 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| T21-400dy | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABHP | OVERALL LENGTH | 0.850 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 4.750 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 4.500 INCH-16 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UN |
| BDRH | SEAT END INSIDE DIAMETER | 4.290 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | FINGER-GRIP KNURLING FEATURE PROVIDED; SAFETY WIRE DRILLED HOLE PROVIDED; MATERIAL, STEEL; SURFACE TREATMENT, PASSIVATED, QQ-P-35 |
| End Use : 21180 | Industrial machines, other |
|---|---|
| Schedule B : 8483608000 (NAICS 333613) | Shaft couplings, except universal joints |
| SITC : 74860 | Clutches and shaft couplings (including universal joints) |
| 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 |
| AAC | J |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9b----- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | W - Rating variable |
| NMFC: | 093486 - Bolts, nuts or screws, noi (sub 3) |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 576 - Metal and metal products, nos, (less than 35 feet) |
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