Model: P-3-46X21

Spectacle Frame

Special Features:

Front and temples-eyewire base metal of monel 400 (except pad parts, temple screws) containing not less that 66% nickel. Base metal be plated with min 50 millionth inch (1.270 microns) gold electroplate. Nickel subplating to base metal allowed. Temple butt phosphorus bronze. Cable winding be 3 layers with 18% nickel-silver core, final layer widing of monel 400. Alternate for gold plating, 20 millionth inch (0.508) gold electroplate with clear polymer protective coating allowed.Nose pads be vinyl acetate or vinyl butyrate. Cable tiemple covers not required. Pad insert be pure nickel, rhodium plated. Endpiece monoblock and bridge be 18%nickle-silver. Temple screws be stainless steel, gold color. Pad arm have similar base metal content wi min 1.270 microns of gold electroplate. Alternate: 0.508 micron gold eletroplate wwith polymer coating. Surface gloss be high polished finish. Conform to dscp drawing 24438.

Properties:

Bridge Material
Nickel silver
Bridge Width
21.0 millimeters
Part Name Assigned By Controlling Agency
Frame spectacle cable temples 46eye 22bridge b5 double bar
Style Designator
Double bar bridge with rocker nose pads
Supplementary Features
Frame, spectacle, cable temples, 47 mm eye, 21 mm bridge
NSN
6540-01-140-2711
Part Number
P-3-46X21
Description
Frame,spectacle
CAGE
4P520

Part P-3-46X21 NSN 6540-01-140-2711

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13688
FIIG:
T146-H
Concept No.:
App. Key:
HB
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

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Schedule B and Export
  • Schedule B: 9003900000
  • SITC: 88422
  • End Use: Cell phones and other household goods, n.e.c.
  • NAICS: 339115
  • USDA: 1

Freight Class: Parts for frames and mountings, spectacles, goggles or the like

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