Model: 207941-100

Optical Element Retaining Ring

Special Features:

32 starts 1.00 lead

Properties:

Thread Class
Zb
Thread Pitch Diameters
+1.3437/+1.3490 inches
Thread Direction
Left-hand
Thread Length
0.452 inches
Overall Length
Between 0.904 inches and 0.906 inches
Outside Diameter
1.614 inches
Thread Size
1 364/1000-32
Aperture Diameter
Between 1.300 inches and 1.304 inches
End Application
5855-01-228-0939 night vision goggles
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
Between 0.453 inches and 0.454 inches
Knurled Periphery
Provided
Material
Plastic
Material
Plastic
Special Test Features
Interpret drawing iaw dod-std-100c; marked iaw mil-std-130
Supplementary Features
Flash and gate projections shall not exceed .005 in.
Fsc Application Data
Night vision equipment, emitted and reflected radiation
NSN
5855-01-262-8013
Part Number
207941-100
Description
Ring,retaining,optical Element
CAGE
T2251

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

Part 207941-100 NSN 5855-01-262-8013

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
Concept No.:
App. Key:
JC
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:
156600
UFC:
77670
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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