3020-00-835-2077

Description: Helical Gear

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MILSPEC: MIL-STD-171

 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.)

More MIL-STD-171 Parts

MIL-STD-171 Helical Gear

Spec. Type Spec. Color Gloss Size
Surface treatment document and classification MIL-STD-171

Array Properties

  • NSN:
    Array
  • Description:
    Helical Gear
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    EA
  • Body Style:
    Plain, solid
  • Attachment Method:
    Mounting hole
  • Pitch Diameter:
    0.4419 inches
  • Teeth Quantity:
    20
  • Bore Style:
    Plain both ends
  • Mounting Hole Thread Series Designator:
    Unc transversely through hub, first end
  • Mounting Hole Thread Size:
    0.112 inches transversely through hub, first end
  • Mounting Hole Type And Quantity:
    2 threaded transversely through hub, first end
  • Outside Diameter:
    0.472 inches
  • Teeth Type:
    Single helix
  • Tooth Form:
    Standard
  • Tooth Direction:
    Right
  • Pressure Angle:
    20.0000 degrees
  • Helix Angle:
    45.0000 degrees
  • Distance Between Body Face And Protruding Hub End:
    0.219 inches first end
  • Face Width:
    0.188 inches
  • Bore Diameter:
    0.188 inches both ends
  • Hub Style Designator:
    Pinned first end
  • Hub Diameter:
    0.375 inches first end
  • Special Features:
    Mtg holes 90 degrees apart
  • Material:
    Steel comp 303
  • Material Specification:
    Qq-s-764, cond a canceled federal specification single material response
  • Surface Treatment:
    Passivate
  • Surface Treatment Specification:
    Mil-std-171, finish no. 5.4.1 military standard single treatment response
  • Style Designator:
    Protruding hub
Manufacturers and Part Numbers
Part Number
Brand
9177540
U S Army Aviation And Missile
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
SPAIN Spain
MOE_CD:
YB
MOE_RL:
YB01
PICA:
YB
DSOR:
User:
KUWAIT Kuwait
MOE_CD:
YK
MOE_RL:
YK01
PICA:
YK
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
MOE_CD:
ZH
MOE_RL:
ZH01
PICA:
ZH
DSOR:
User:
GREECE Greece
MOE_CD:
ZU
MOE_RL:
ZU01
PICA:
ZU
DSOR:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
Cond. Code:
1
Status:
A
Material and Special Handling
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
---
CRITL:
X
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): A
Item does not contain precious metal.
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:
0.1000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
D3
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
LVL A:
Q
LVL B:
Q
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
XX
MOP:
20
CATEG.:
PRESS MAT:
02
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
XX
ICQ:
AAA
THK:
X
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):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 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):
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.