NSN 3020-00-321-6403 37883, 8699767, 00-321-6403
Product Details | FLAT PULLEY
3020-00-321-6403 A pulley with a straight or crowned face. The item may include belt aligning flange(s). Excludes PULLEY, CONE. For pulleys encased in a shell or frame, see BLOCK, TACKLE.
Part Alternates: 37883, 8699767, 3020-00-321-6403, 00-321-6403, 3020003216403, 003216403
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-321-6403 | 08111 ( PULLEY, FLAT ) |
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Related Products | NSN 3020-00-321-6403
Technical Data | NSN 3020-00-321-6403
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A20 WEBBED OR SPOKED |
| OUTSIDE DIAMETER | 8.375 INCHES NOMINAL |
| OVERALL LENGTH | 3.812 INCHES NOMINAL |
| PITCH DIAMETER | 5.437 INCHES MINIMUM AND 5.446 INCHES MAXIMUM |
| FACE WIDTH | 0.689 INCHES NOMINAL |
| HUB END OUTSIDE DIAMETER AND LOCATION | 2.000 INCHES NOMINAL AA END AND 1.625 INCHES NOMINAL BB END |
| DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION | 2.988 INCHES NOMINAL AA END AND 2.187 INCHES NOMINAL BB END |
| DESIGN FORM | WEBBED |
| WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE | NOT OFFSET |
| LIGHTENING HOLE | NOT INCLUDED |
| INTEGRAL COOLING VANE | NOT INCLUDED |
| CROWN FACE | NOT INCLUDED |
| MATERIAL AND LOCATION | IRON, QQ-I-666, GRADE 2 OVERALL |
| SURFACE TREATMENT | PHOSPHATE AND ENAMELED |
| RIM TYPE | SOLID |
| FLANGE QUANTITY | 1 |
| FLANGE LOCATION | OUTSIDE |
| OUTSIDE DIAMETER | 8.375 INCHES NOMINAL |
| FLANGE WIDTH | 0.125 INCHES NOMINAL |
| BORE FEATURE | INCLUDED |
| BEARINGS | NOT INCLUDED |
| BORE TYPE | TAPERED |
| BORE LENGTH | 1.500 INCHES NOMINAL |
| TAPER BORE MAJOR DIAMETER | 1.001 INCHES NOMINAL |
| TAPER BORE MINOR DIAMETER | 0.814 INCHES NOMINAL |
| TAPER MAJOR DIAMETER LOCATION | AA END |
| COUNTERBORE FEATURE | NOT INCLUDED |
| KEYING FACILITY | INCLUDED |
| KEYING FACILITY TYPE | KEYWAY |
| QUANTITY | 1 |
| KEYWAY WIDTH | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM |
| DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY | 0.633 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLIT HUB FEATURE | NOT INCLUDED |
| SECURING METHOD | DRILLED HOLE |
| SECURING LOCATION | PULLEY SURFACE |
| SECURING HOLE QUANTITY | 1 |
| HOLE LOCATION | ON PULLEY SURFACE |
| DRILLED HOLE DIAMETER | 0.250 INCHES NOMINAL |
Restrictions/Controls & Freight Information | NSN 3020-00-321-6403
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 127300 | PULLEY BLOCKS/TCKLE/SNATCH/FAIRLDRS |
| Less than car load rating | ||
| Less than truck load rating | S | 60.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |



