Catalog › Fire Control Equipment › FSC 1240 › 1240-00-504-9940

Optical Instrument Eyeshield P/N 5049940

In stock — 10 on our U.S. shelf

NSN 1240-00-504-9940 1240005049940 NIIN 005049940

SECO Parts has 10 in stock of NSN 1240-00-504-9940 — Optical Instrument Eyeshield — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$60 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 — 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: EYESHIELD,OPTICAL INSTRUMENT
SECO description: EYESHIELD
Federal supply class: FSC 1240 — Optical Sighting and Ranging Equipment

Availability & condition

Condition	Code	Qty on shelf
New Surplus	NS	10
Total		10

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

Also known as: 1240-00-504-9940 005049940 5049940

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

Attachment end inside diameter: Inches 1.250
Overall length: 1.625 in (nominal)
Material: Rubber Isobutylene-Isoprene Class Iir or Rubber Butadiene-Styrene Class Sbr
Material document and classification: MIL Spec All Material Responses -IL-R-3065, Grade RS405ABFF
Viewing end inside diameter: Inches 1.625
Attachment method: Press Fit
Fsc application data: Fire Control Optical Sighting and Ranging Equipment

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

Cross-reference part numbers

5049940

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

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 10 on the shelf
Unit of issue	EA each
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
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.

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FAQ

What is NSN 1240-00-504-9940?
NSN 1240-00-504-9940 (1240005049940) — Optical Instrument Eyeshield: SECO Parts has 10 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for optical instrument eyeshield in federal supply class 1240 (Optical Sighting and Ranging Equipment).

Is NSN 1240-00-504-9940 available?
SECO Parts has 10 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 1240-00-504-9940 cost?
SECO typically prices parts like NSN 1240-00-504-9940 at $25–$60 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 1240-00-504-9940?
Part numbers that cross-reference this NSN include 5049940. SECO can quote against any of them.