We’re pleased to announce that B4304-2 (Sprocket Wheel, NSN: 3020-00-517-2391) is now in stock and ready for immediate quoting. This component, manufactured by Triumph Gear Systems Inc (CAGE Code: 82402), is classified under NIIN 00-517-2391 and NCB Code 00 (USA), with additional categorization under FSG 30 Mechanical Power Transmission Equipment/FSC 3020 Gears Pulleys Sprockets and Transmission Chain and INC 04456. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part B4304-2, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of B4304-2 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 Triumph Gear Systems Inc 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 B4304-2. 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 |
|---|---|---|---|---|---|---|
| 3020-00-517-2391 Item PartTypeName: SPROCKET WHEEL | 3020 | 005172391 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B4304-2 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABFF | FURNISHED ITEMS | KEYING FACILITY |
| ABHE | OUTSIDE DIAMETER | 7.381 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 0.750 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.250 INCHES NOMINAL |
| ABUJ | THREAD SIZE | 1/4-20 |
| ABXV | BORE DIAMETER | 1.000 INCHES MINIMUM AND 1.001 INCHES MAXIMUM |
| ADGE | BORE LENGTH | 0.750 INCHES NOMINAL |
| AEVF | DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.656 INCHES NOMINAL |
| AGJS | PITCH DIAMETER | 7.165 INCHES NOMINAL |
| AHYF | SECURING HOLE QUANTITY | 1 |
| ALNC | HUB OUTSIDE DIAMETER | 1.813 INCHES NOMINAL AA END |
| AQPL | FACE WIDTH | 0.168 INCHES NOMINAL |
| ARJD | DESIGN FORM | PLAIN |
| ASBP | BORE TYPE | STRAIGHT |
| ASYR | DISTANCE FROM HUB END TO FLANGE END | 0.582 INCHES NOMINAL AA END |
| BFYT | HOLE LOCATION | LOCATED ON TOP OF KEYWAY |
| BSGK | KEYING FACILITY TYPE | KEYWAY |
| BSNP | SECURING METHOD | THREADED HOLE |
| BYDZ | PROTRUDING HUB CHARACTERISTIC | PLAIN |
| BYFF | SECURING LOCATION | AA END |
| BYFL | TEETH ROW QUANTITY | 1 |
| BYFN | TEETH QUANTITY PER ROW | 60 |
| BYFP | ASA STANDARD CHAIN NUMBER | 35 |
| BYFQ | HARDNESS RATING TEST METHOD | NOT RATED |
| BYGF | TOOTH PITCH | 0.375 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-20167,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE |
| NMBR | QUANTITY | 1 |
| STYL | STYLE DESIGNATOR | PLAIN |
| End Use : 21180 | Industrial machines, other |
|---|---|
| Schedule B : 8483901000 (NAICS 333613) | Chain sprockets and parts thereof |
| SITC : 74890 | Parts, n.E.S., for transmission shafts and cranks, bearing housings, gears, gearing, ball screws, gear boxes, flywheels and pulleys, clutches, etc. |
| ADPE | Represents items with no adp components |
|---|---|
| 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 | A - Item does not contain precious metal. |
| AAC | J |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9b----- |
| Quantity per pack | * special requirements. |
| 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: | S - 60.0 |
| NMFC: | 117020 - Chain and sprocket drives/wheels |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 593 - Motors and parts, (machinery and parts),(less than 35 feet) |
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