6650-00-382-1888

Description: Optical Instrument Lens

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MILSPEC: MIL-G-174

 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-G-174 Parts

MIL-G-174 Optical Instrument Lens

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-G-174

Array Properties

  • NSN:
    Array
  • Description:
    Optical Instrument Lens
  • Shelf Life:
    N/A
  • DEMIL:
    DEMIL/MLI
  • UOM:
    1 EA
  • Diameter:
    1.768 inches
  • Axial Thickness:
    0.236 inches and 0.158 inches
  • Compound Lensaxial Thickness:
    0.394 inches
  • Compound Lens Edge Thickness:
    0.331 inches
  • Equivalent Focal Length:
    12.196 inches
  • Back Focal Length:
    11.980 inches
  • Front Focal Length:
    12.164 inches
  • Refraction Index:
    1.5740 and 1.6210
  • Abbe Constant:
    57.700 and 36.600
  • Compound Lens Style:
    Doublet
  • Individual Lens Style:
    Double convex and meniscus diverging
  • Element Left Surface Radius:
    -4.095 inches and 7.559 inches
  • Element Right Surface Radius:
    -4.095 inches and -35.433 inches
  • Material:
    Glass, optical, mil-g-174, class 1, grade c
  • Material:
    Glass optical
  • Material Specification:
    Mil-g-174, class 1, grade c military specification single material response
  • Fsc Application Data:
    1. Fire control, collimator, telescope
Manufacturers and Part Numbers
Part Number
Brand
LD172589PC116
Navair And Navsea Managed
LD172589GP116
Navair And Navsea Managed
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
MOE_CD:
DN
MOE_RL:
N9BG
PICA:
GX
DSOR:
Part Identification
INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21884
FIIG:
T271-E
Concept No.:
1
App. Key:
EA
Cond. Code:
2
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:
--
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.:
PRESS MAT:
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
ICQ:
THK:
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):
LVL B Code (LVL_B):
Procedure Indicator Code (OPI):
Special Markings Code (SPC MKG):
Method of Preservation (MOP):
Cushion Material (CUSH):
Preservation Material (PRESS MAT):