Model: TA-3656

Optical Element Retainer

Properties:

Hole Diameter
1.062 inches
Width
0.032 inches
Overall Length
0.070 inches
Hole Or Slot Quantity
2
Recess Angle In Deg
10.0
Recess Depth
0.060 inches
Thread Size
1.234 in.-40
Depth
0.013 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Guide Location
Drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Hole Chamfer Angle In Deg
0.0
Hole Chamfer Diameter
1.062 inches
Material
Brass
Material
Copper alloy
Style Designator
Recessed
Surface Treatment
Black oxide
NSN
1240-00-382-1706
Part Number
TA-3656
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 TA-3656 NSN 1240-00-382-1706

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:
0.1000lbs
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
70.0
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Schedule B and Export
  • Schedule B: 9803200000
  • SITC: 93100
  • End Use: Military apparel and footwear
  • NAICS: 990000
  • USDA: 1

Freight Class: Military equipments not identified by kind

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