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AK-49 Groove Pulley

3020-00-490-5437

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Official Item Classification

Name
Groove Pulley
Part Number
AK-49
(NSN) National Stock Number
3020-00-490-5437
(FSG) Federal Supply Group
30 Mechanical Power Transmission Equipment
(INC) Item Name Code
08109
(FIIG) Federal Item Identification Guide
T353-A
Date
09/24/1969 (57 years ago)

1.156 inches nominal overall length, 0.190 inches nominal keyway width, 0.500 inches nominal groove depth, 4.750 inches nominal outside diameter, 0.500 inches nominal groove width

Specs & Compatibility

Groove Depth

0.500 inches nominal

Groove Width

0.500 inches nominal

Outside Diameter

4.750 inches nominal

Overall Length

1.156 inches nominal

Keyway Width

0.190 inches nominal

Thread Size

0.312-18

Bore Diameter

0.623 inches nominal

Bore Length

1.188 inches nominal

Distance From Center Of Bore To Bottom Of Keyway

0.375 inches nominal

End Item Identification

f-11, c-135, a-10, f-4, f-15, f-16 aircraft support equipment.

V Groove Angle In Deg

38.0

Securing Hole Quantity

1

Face Width

0.750 inches nominal

Design Form

webbed

Bore Type

straight

Bearings

not included

Groove Quantity

1

Counterbore Feature

not included

Hole Location

one on top of key

Keying Facility

included

Keying Facility Type

keyway

Securing Method

threaded hole

Split Hub Feature

not included

Web/Spoke Relationship To Face Centerline

not offset

Lightening Hole

not included

Integral Cooling Vane

not included

Groove Shape

v

Bore Feature

included

Protruding Hub Characteristic

plain

Securing Location

aa end

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

Criticality Code Justification

feat

Special Features

weapon system essential

Material

iron cast overall

Quantity

1

Style Designator

webbed or spoked

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0008109

Related Hardware Products

Part Number Description
AK-49 Groove Pulley
AK49 Groove Pulley

Frequently Asked Questions

What is the FSCG of the NSN 3020-00-490-5437?
The FSCG of the NSN 3020-00-490-5437 is 3020
Does the NSN 3020-00-490-5437 have a Schedule B code assigned?
Yes, the Schedule B code is 8487900080
Does NSN 3020-00-490-5437 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3020-00-490-5437 contain precious materials?
Precious metal content is unknown
Does NSN 3020-00-490-5437 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3020-00-490-5437 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Sep 24, 1969