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5210-00-203-5371
Optical Flat
5210002035371 002035371 GG0635 3X5-8 D-617-3Q1S
A flat, transparent piece of glass, generally of fused quartz, with one or both principal surfaces polished to within a few millionths of an inch of a true plane. It is used in conjunction with a monochromatic light source to measure the flatness of precision finished surfaces, and to determine the distance and parallelism between precision finished surfaces by comparison with known standards. In operation the flat is superimposed, reference surface downward, on the parts under test and when illuminated by monochromatic light the rays reflected from the reference surface are either reinforced or neutralized by the rays reflected from the surface under test producing interference bands which reveal any variations in the thickness of the film of air between surface under test and the flat. Excludes optical parallels. View more Optical Flat
January 2023
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Restrictions 5210-00-203-5371
IUID Required
5210-00-203-5371 is a Optical Flat that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.
End Users 5210-00-203-5371
- US Air Force (FGG4)
- Effective Date:
- 1 Apr 1991
Approved Sources 5210-00-203-5371
- Part Number
- Manufacturer
- Status
- 3X5-8
- Manufacturer
- 1VSS5 - Russell Optics, Llc (Active)
- Primary Buy
- Primary Buy
- GG0635
- 81348 - Federal Specifications (Active)
- Incomplete Standard
- Incomplete Standard
- D-617-3Q1S
- 91141 - Davidson Optronics Inc. (Active)
- Canceled/Obsolete
- Canceled/Obsolete
Datasheet 5210-00-203-5371
- Characteristic
- Specifications
- FIIG
- Specifications
- T303-J
- Case [ALFK]
- Not Provided
- Diameter [ABMZ]
- 3.000 Inches Nominal
- Design Type [APGF]
- Reference Single
- Material [MATT]
- Quartz, Fused
- Nondefinitive Spec/Std Data [ZZZT]
- 1 Type And 1 Class
- Working Surface Flatness Accuracy [BSFY]
- 0.00000100 Inches Nominal
- Thickness [ABNM]
- 0.625 Inches Nominal
Management Data 5210-00-203-5371
- Effective Date
- Organization
- Unit of Issue
- Unit Price
- Qty Unit Pack
- Unit of Issue
- Dec 2019
- Department of the Air Force (DF)
- EA
- Subscribe
- 1
- EA
- MOE
- USC
- Code
- Statement
- Order of Use
- Jump To Code
- Qty Per Assy
- UOM
- Technical Document
- Quantative Expression
- Code
- Department of the Air Force (DF)
- L
- 3
- Reversal Of Phrase Code S 5210-00-687-2541
- 3
Air Force
- Budget:
- M
- 57X3080 - Other Base Maintenance and Support Equipment
- Price Validation Code:
- V
- 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.
- Expendability
Recoverability
Repairability: - U
- Reparable. Condemn at Intermediate. AF Equipment Management System (AFEMS).
NATO Stock Numbers Related to 5210-00-203-5371
Freight Information 5210-00-203-5371
5210-00-203-5371 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 058110. A Sub NMFC of X. It has a NMFC Description of OPTICAL GOODS OR INSTRUMENTS NOI. 5210-00-203-5371 is rated as class 200 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 33110 which rates the freight between FCL and LCL. 5210-00-203-5371 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 732 for ocean manifesting and military sealift. 5210-00-203-5371 is not classified as a special type of cargo when transported by water. 5210-00-203-5371 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.
Packaging Data 5210-00-203-5371
- Responsible Activity
- Packaging Data Source
- Primary Inventory Control Activity (PICA)
- Packaging Data does not meet current MIL-STD-2073-1E
Item Pack Level (Unpackaged)
- Item Size
- Item Weight
- Characteristics
- Weight/Dimensions Category
- Fragility
- Item Preservation
- Item Weight
- --
- --
- --
- --
- --
- --
Unit Pack Level (Packaged)
- Quantity per Pack
- Unit Size
- Unit Weight
- Unit Cube
- Preservation Method
- Cleaning/Drying
- Unit Size
- 1
- --
- --
- --
- --
- Any Suitable Process
- --
- Preservation Material
- Wrapping Material
- Cushioning/Dunnage
- Cushioning Thickness
- Container
- Special Marking
- Wrapping Material
- No Requirement
- --
- A-A-1898, Grade II, Water Resistant Cellulosic Cushioning
- --
- --
- No special marking
- --
Intermediate Pack Level
- Quantity of Unit Packs
- Container
- No Requirement