3020-00-528-7154

Description: Helical Gear

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Quality Assurance

We are commited to quality and satisfaction as a certified supplier in the aerospace and military industries.

Certificate of Conformity
QC Inspection prior to shipping
On time delivery
International Shipping Available
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Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

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MIL-S-890 Helical Gear

Spec. Type	Spec.	Color	Gloss	Size
Material document and classification	MIL-S-890

Array Properties

NSN:

Array
Description:

Helical Gear
Shelf Life:

N/A
DEMIL:

NO
UOM:

1 AY

Body Style:

Webbed, offset, with lightening holes
Attachment Method:

Mounting hole
Pitch Diameter:

13.0000 inches
Teeth Quantity:

65
Bore Style:

W/counterbore counter bore, second end
Mounting Hole Thread Series Designator:

Unf axially through hub, first end
Mounting Hole Thready Qty Per Inch (tpi):

20 axially through hub, first end
Mounting Hole Thread Size:

0.5000 inches axially through hub, first end
Mounting Hole Type And Quantity:

4 threaded axially through hub, first end
Outside Diameter:

13.2850 inches
Teeth Type:

Single helix
Tooth Form:

Standard
Tooth Direction:

Left
Pressure Angle:

20.0000 degrees
Helix Angle:

14.9167 degrees
Distance Between Body Face And Protruding Hub End:

1.125 inches both ends
Face Width:

3.000 inches
Bore Diameter:

3.4380 inches counter bore, second end
Counterbore Depth:

3.6250 inches counter bore, second end
Counterbore Diameter:

3.7500 inches counter bore, second end
Hub Style Designator:

1 step both ends
End Length:

1.6250 inches both ends
End Diameter:

5.3720 inches both ends
First Step Length:

0.1250 inches both ends
First Step Diameter:

6.5000 inches both ends
Bolt Hole Circle Diameter:

4.250 inches axially through hub, first end
Special Features:

One 0.125 in. Pipe plug, one groove 4.872 in. Dia, 0.500 in. W, 0.531 in. From end of hub to groove, located on 1st end of gear hub
Material:

Steel
Material Specification:

Mil-s-890, class b military specification single material response
Style Designator:

Protruding hubs
Furnished Items And Quantity:

1 plug

Manufacturers and Part Numbers

Part Number

Brand

3236539

General Motors Corp

Major Organizational Entities (MOE)

Entity

MOE Code

MOE Rule

PICA

DSOR

User:

Dept. of the Army

MOE_CD:

MOE_RL:

A920

PICA:

DSOR:

User:

Dept. of the Navy

MOE_CD:

MOE_RL:

N9BC

PICA:

DSOR:

User:

Spain

MOE_CD:

MOE_RL:

YB01

PICA:

DSOR:

User:

Thailand

MOE_CD:

MOE_RL:

YY01

PICA:

DSOR:

User:

Canada

MOE_CD:

MOE_RL:

ZC01

PICA:

DSOR:

User:

Republic of Korea

MOE_CD:

MOE_RL:

ZH01

PICA:

DSOR:

User:

Greece

MOE_CD:

MOE_RL:

ZU01

PICA:

DSOR:

User:

Turkey

MOE_CD:

MOE_RL:

ZW01

PICA:

DSOR:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05464

FIIG:

A27300

Concept No.:

App. Key:

Cond. Code:

Status:

Material and Special Handling

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

---

CRITL:

Hazmat (HMIC): N

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

Precious Metals (PMIC): U

Precious metal content is unknown

Criticality (CRITL): X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Packaging and Dimensions

Package Size

Package Weight

Part Weight

Part Dimensions (approx.)

Pack Size:

Pack Weight:

86.0000lbs

Item Weight:

Item Dim:

Container

OPI

SPI No.

SPI Rev.

Container:

OPI:

SPI No.:

SPI Rev.:

SPC Mkg.

LVL A

LVL B

LVL C

SPC Mkg.:

LVL A:

LVL B:

LVL C:

CUSH

MOP

CATEG.

PRESS MAT

CUSH:

MOP:

CATEG.:

18ZZ

PRESS MAT:

WRAP MAT

ICQ

THK

TOS

UCL

WRAP MAT:

ICQ:

000

THK:

TOS:

UCL:

Packaging Code Definitions

LVL A Code (LVL_A):F

Packing is not required. the unit container shall also serve as the shipping container. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B): Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI): O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC MKG): 00

No special marking.

Method of Preservation (MOP): 20

Preservative coating only (with greaseproof wrap, as required).

Cushion Material (CUSH): XX

Preservation Material (PRESS MAT): 02

Mil-prf-16173, grade 2, corrosion preventive, solvent cutback, cold application, soft film.