1240-00-171-7903

Find complete technical information, availability, and procurement data for: 1240-00-171-7903

DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 1240-00-171-7903 to receive an up to date pricing and availability quote by email.

1240-00-171-7903
Federal Supply Group
Fire Control Equipment
Federal Supply Classification
1240 Optical Sighting and Ranging Equipment
National Stock Number
1240-00-171-7903
Item Name Code
10908
Assigment Date
01/01/1963 (63 years ago)

2.500 millimeters nominal thickness, 0.900 millimeters nominal bevel depth, 16.010 millimeters nominal diameter, both polished surface, 1.5170 nominal refraction index

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Diameter
16.010 millimeters nominal
Thickness
2.500 millimeters nominal
Bevel Depth
0.900 millimeters nominal
Refraction Index
1.5170 nominal
Polished Surface
both
Diffusion Producing Surface
both
Reflection Reducing Surface
both
Polished Periphery
not provided
Bevel Angle In Deg
45.000 nominal
Material
glass optical location not otherwise specified
Material Document And Classification
jan-g-174, type 517-645, grade c mil spec single material response location not otherwise specified
Fsc Application Data
rangefinder mk 57 mod 4

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
278697PC3 Optical Instrument Window

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1240-00-171-7903?
The FSCG of the NSN 1240-00-171-7903 is 1240
Does the NSN 1240-00-171-7903 have a Schedule B code assigned?
Yes, the Schedule B code is 9803200000
Does NSN 1240-00-171-7903 require demilitarization?
Usml or ccl military items - demil required. Destroy item and components to prevent restoration or repair to a usable condition. (note 5).
Does NSN 1240-00-171-7903 contain precious materials?
Item does not contain precious metal.
Does NSN 1240-00-171-7903 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 1240-00-171-7903 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

S628-300S3CT
5935-01-124-7310
Electrical Connector Backshell
S628-400-4RS
5935-01-142-1625
Electrical Connector Backshell
S628 9
5331-01-190-1890
O-Ring
S62802-15T
6150-01-268-1157
E Special Purpose Cable Assembly
S62804-0346
4720-01-137-8850
Nonmetallic Hose Assembly
S62804-0496
4720-01-138-6152
Nonmetallic Hose Assembly
S62804-0670
4720-01-138-5384
Nonmetallic Hose Assembly
S62806-0660
4720-01-138-6709
Nonmetallic Hose Assembly
S62808-0400
4720-01-138-7156
Nonmetallic Hose Assembly
S62810-20
5970-01-253-1741
Electrical Insulation Sleeving
S62819
5331-01-190-1890
O-Ring
S6286
9330-01-717-2613
Plastic Molding
S628732079Z
5945-01-426-8316
Electrical Solenoid
S628832080Z
5945-01-426-8322
Electrical Solenoid
S628G1
2825-00-896-3532
Throttle Valve