Catalog › Instruments and Laboratory Equipment › FSC 6650 › 6650-00-768-8774

Optical Instrument Lens P/N 7688774

In stock — 324 on our U.S. shelf

NSN 6650-00-768-8774 6650007688774 NIIN 007688774

SECO Parts has 324 in stock of NSN 6650-00-768-8774 — Optical Instrument Lens — on our own shelf in Augusta, GA: a stocking supplier, not a broker.

Export-controlled item (DEMIL B) — U.S. domestic sale only. Quote only: an end-use statement is required.

Request a quote — end-use statement required

Quotes answered within one business day once the end-use statement is reviewed.

Certificate of Conformance on request
PO, GPC & major cards
$50 minimum order — smaller requests still get a quote
30-day returns · terms

FLIS item name: LENS,OPTICAL INSTRUMENT
SECO description: LENS,OPTICAL INSTRU
Federal supply class: FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories

Availability & condition

Condition	Code	Qty on shelf
New Surplus	NS	324
Total		324

Quantities are live from SECO's inventory system, not estimated.

Also known as: 6650-00-768-8774 007688774 7688774

Get a quote

Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.

Controlled item. Quote only — no online checkout. Your request must include the end user, the end use, and a U.S.-person certification; SECO reviews each request before quoting.

More to tell us? Need-by date, ship-to, your own RFQ document

Specifications

Axial thickness: 0.200–0.220 in
Equivalent focal length: Inches 3.859
Special features: Edges Chamfered 0.010 to 0.020 In. BY 45 Deg. Both Surfaces Coated with Magnesium Fluoride. Rim Ground.
Refraction index: Nominal 1.6170
Back focal length: Inches 3.759
Element right surface radius: Millimeters 10.000
Fsc application data: Periscope,Tank
Diameter: 1.297–1.300 in
Material: Glass Optical
Material document and classification: MIL Spec Single Material Response -IL-G-174, Class 1, Grade D, Tye 617-550
Abbe constant: 55.000
Element left surface radius: Inches 3.100

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

7688774

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Demilitarization code	B Export-controlled (USML) — U.S. domestic sale only
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 6650-00-768-8774?
NSN 6650-00-768-8774 (6650007688774) — Optical Instrument Lens: SECO Parts has 324 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for optical instrument lens in federal supply class 6650 (Optical Instruments, Test Equipment, Components and Accessories).

Is NSN 6650-00-768-8774 available?
SECO Parts has 324 in stock in Augusta, GA. This is a controlled item: it is sold by quote only with an end-use statement, to U.S. domestic customers.

How much does NSN 6650-00-768-8774 cost?
SECO quotes NSN 6650-00-768-8774 on request, usually the same business day.

What part numbers cross-reference to NSN 6650-00-768-8774?
Part numbers that cross-reference this NSN include 7688774. SECO can quote against any of them.