Catalog › Instruments and Laboratory Equipment › FSC 6650 › 6650-00-768-8725

Optical Instrument Lens P/N 7688725

In stock — 46 on our U.S. shelf

NSN 6650-00-768-8725 6650007688725 NIIN 007688725

SECO Parts has 46 in stock of NSN 6650-00-768-8725 — Optical Instrument Lens — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$55 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.

Controlled item (DEMIL D) — quote only. An end-use statement is required and sale is subject to SECO compliance review.

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	46
Total		46

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

Also known as: 6650-00-768-8725 007688725 7688725

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

Compound lens overall axial thickness: 0.492–0.532 in
Material: Glass Optical
Axial thickness: Inches Minimum 0.108 and Inches Maximum 0.128 and Inches Minimum 0.384 and Inches Maximum 0.404
Equivalent focal length: Inches 96.940
Element left surface radius: Inches 1.3400
Special features: Chamfer Edges 0.020 In. Min,0.030 In. Max. BY 45 Deg. Front and Back Surfaces Coated with Magnesium Fluoride.
Fsc application data: Periscope,Tank
Abbe constant: 63.500 and 29.300
Element right surface radius: Inches 2.4390
Material document and classification: MIL Spec 1ST Material Response -IL-G-174,Class 1,Grade C,Tye 511-635 and MIL Spec 2ND Material Response -IL-G-174,Class 1,Grade C,Tye 720-293
Diameter: 1.391–1.397 in
Refraction index: Nominal 1.5110 and Nominal 1.7200

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

Cross-reference part numbers

7688725

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

Logistics data

Source of supply	B14 U.S. Army activity B14
Acquisition advice code	Y Terminal item (stock exhausted) — a terminal item: government stock is exhausted and it is not being re-procured. SECO has 46 on the shelf
Unit of issue	EA each
Demilitarization code	D
Controlled inventory code	7
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 6650-00-768-8725?
NSN 6650-00-768-8725 (6650007688725) — Optical Instrument Lens: SECO Parts has 46 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 6650-00-768-8725 available?
SECO Parts has 46 in stock in Augusta, GA. This is a controlled item: it is sold by quote only with an end-use statement.

How much does NSN 6650-00-768-8725 cost?
SECO typically prices parts like NSN 6650-00-768-8725 at $25–$55 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What part numbers cross-reference to NSN 6650-00-768-8725?
Part numbers that cross-reference this NSN include 7688725. SECO can quote against any of them.