6635-01-304-4957

Find complete technical information, availability, and procurement data for: 6635-01-304-4957

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6635-01-304-4957
Federal Supply Group
Instruments and Laboratory Equipment
National Stock Number
6635-01-304-4957
Item Name Code
18990
Assigment Date
07/19/1989 (37 years ago)

A single or multi-piece item(s), curved or flat, with or without frame(s), of transparent material. Designed for mounting in a boat or ship cabin, door, bridge or the like, for protection from water, wind and other foreign matter and to allow visibility.

steel material, not provided eccentric construction, 16 inch horizontal bench top comparator system; hi/low enhanced 150 watt illumination system; full usable 16 inch viewing screen; 10 inch x axis and 6 inch y axis stage travel; croll roller bearings; build in helix stage; quick release x travel; sturdy all metal design; erect optical image; bayonet lens mount; helix stage +/- 15 deg used for thread form measurement with vernier graduation in 5' increments; electronic screen protactor (esp) reads angles directly and will display angles to either a minute or 0.01 of a degree on a led readout; esp indicates angles from zero in either direction in both incremental and absolute modes; roating chart clips special features

Product Characteristics

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

Eccentric Construction
not provided
Special Features
16 inch horizontal bench top comparator system; hi/low enhanced 150 watt illumination system; full usable 16 inch viewing screen; 10 inch x axis and 6 inch y axis stage travel; croll roller bearings; build in helix stage; quick release x travel; sturdy all metal design; erect optical image; bayonet lens mount; helix stage +/- 15 deg used for thread form measurement with vernier graduation in 5' increments; electronic screen protactor (esp) reads angles directly and will display angles to either a minute or 0.01 of a degree on a led readout; esp indicates angles from zero in either direction in both incremental and absolute modes; roating chart clips
Material
steel

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
6635-00-005-8514 No Name Available 12/01/1997

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
DH14-MCD-4/E Optical Projection Comparator
DH14-MPC-4/E Optical Projection Comparator
DH16-MPC-5/E Optical Projection Comparator
DH214-MPC-5/E Optical Projection Comparator
DH216-MPC-5/E Optical Projection Comparator

FAQs

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

What is the FSCG of the NSN 6635-01-304-4957?
The FSCG of the NSN 6635-01-304-4957 is 6635
Does the NSN 6635-01-304-4957 have a Schedule B code assigned?
Yes, the Schedule B code is 9027803500
Does NSN 6635-01-304-4957 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 6635-01-304-4957 contain precious materials?
Item does not contain precious metal.
Does NSN 6635-01-304-4957 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 6635-01-304-4957 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Wed, Jul 19, 1989

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