Product Details | GROOVE PULLEY

3020-00-490-5437 A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE. For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.

Part Alternates: AK-49, AK49, 3020-00-490-5437, 00-490-5437, 3020004905437, 004905437

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG) NSN Assign. NIIN
30 24 SEP 1969 00-490-5437

Drawings & Photos | NSN 3020-00-490-5437


Cross Reference | NSN 3020-00-490-5437

Part Number Cage Code Manufacturer
AK-49 13627 CRYO-CHEM INC
AK49 71176 EMERSON ELECTRIC CO BROWNING MFG DIV

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Technical Data | NSN 3020-00-490-5437

Characteristic Specifications
STYLE DESIGNATOR A11 WEBBED OR SPOKED
OUTSIDE DIAMETER 4.750 INCHES NOMINAL
OVERALL LENGTH 1.156 INCHES NOMINAL
PITCH DIAMETER ANY ACCEPTABLE
FACE WIDTH 0.750 INCHES NOMINAL
HUB END OUTSIDE DIAMETER AND LOCATION 1.250 INCHES NOMINAL AA END AND 1.915 INCHES NOMINAL BB END
DISTANCE FROM OUTSIDE FLANGE/RIM TO HUB END AND LOCATION 0.500 INCHES NOMINAL AA END AND 0.016 INCHES NOMINAL BB END
DESIGN FORM WEBBED
WEB/SPOKE RELATIONSHIP TO FACE CENTERLINE NOT OFFSET
LIGHTENING HOLE NOT INCLUDED
INTEGRAL COOLING VANE NOT INCLUDED
MATERIAL AND LOCATION IRON, CAST OVERALL
GROOVE SHAPE V
GROOVE QUANTITY 1
GROOVE DEPTH 0.500 INCHES NOMINAL
GROOVE WIDTH 0.500 INCHES NOMINAL
V GROOVE ANGLE IN DEG 38.0
BORE FEATURE INCLUDED
BEARINGS NOT INCLUDED
BORE TYPE STRAIGHT
BORE DIAMETER 0.623 INCHES NOMINAL
BORE LENGTH 1.188 INCHES NOMINAL
COUNTERBORE FEATURE NOT INCLUDED
KEYING FACILITY INCLUDED
KEYING FACILITY TYPE KEYWAY
QUANTITY 1
KEYWAY WIDTH 0.190 INCHES NOMINAL
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY 0.375 INCHES NOMINAL
PROTRUDING HUB CHARACTERISTIC PLAIN
SPLIT HUB FEATURE NOT INCLUDED
SECURING METHOD THREADED HOLE
SECURING LOCATION AA END
SECURING HOLE QUANTITY 1
THREAD SIZE 0.312-18
HOLE LOCATION ONE ON TOP OF KEY
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION F-11, C-135, A-10, F-4, F-15, F-16 AIRCRAFT SUPPORT EQUIPMENT.

Restrictions/Controls & Freight Information | NSN 3020-00-490-5437

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
NMF Description 127320 PULLEYS/SHEAVES,NOI
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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

Management | NSN 3020-00-490-5437

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each