Model: 685B012578

Optical Element Retainer

Special Features:

Has a counterbore 2.562 in. Diameter by 0.257 in. Deep located on drive end

Properties:

Shoulder Diameter
Between 2.667 inches and 2.673 inches
Shoulder Length
0.188 inches
Tapered Hole Minor Diameter
Between 2.402 inches and 2.412 inches
Taper Angle In Deg
30.0
Width
0.060 inches
Overall Length
0.312 inches
Hole Or Slot Quantity
2
Depth
0.060 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Guide Location
Both edges
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Flange Thread Size
2.812 in.-32
Material
Steel, corrosion resisting, astm-a582, class 303 or class 303 se
Material
Steel, corrosion resisting, astm-a582, class 303 or class 303 se
Style Designator
Shouldered
Surface Treatment
Black oxide, mil-c-13924, class 4
NSN
6650-01-094-3214
Part Number
685B012578
Description
Retainer,optical Element
CAGE
34228

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

Part 685B012578 NSN 6650-01-094-3214

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
Concept No.:
App. Key:
KA
Cond. Code:
2
Status:
A

Material Classification

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
200.0
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical Supplies

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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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