Home · FSC 1240 Optical Sighting And Ranging Equipment · NSN 1240-00-864-2931

NSN 1240-00-864-2931 — Window,Optical Instrument

NIIN 00-864-2931 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 1240-00-864-2931 is the national stock number for a window,optical instrument in federal supply class 1240 (Optical Sighting And Ranging Equipment). It cross-references to 1 manufacturer part number from 1 CAGE code, including Combat Capabilities Development Command (Ccdc) Armaments Center Dba Ccdc Div Logistics Research And Engineering Directorate; the primary is 7660439. The unit of issue is EA and the FLIS list price is $191.91.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 3, 2026 for $7,406 from Optex Systems, Inc. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part number from 1 CAGE

open solicitations, all agencies

government buy in 24 months

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
7660439	19200	Combat Capabilities Development Command (Ccdc) Armaments Center Dba Ccdc Div Logistics Research And Engineering Directorate	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 3, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 3, 2026	Optex Systems, Inc 0BK64			$7,406	Dla	SPE7L326P3622 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 7660439.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $191.91
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Width: INCHES MINIMUM 0.990 AND INCHES MAXIMUM 1.000
Thickness: INCHES MINIMUM 0.190 AND INCHES MAXIMUM 0.200
Length: INCHES MINIMUM 1.557 AND INCHES MAXIMUM 1.562
Bevel Depth: INCHES MINIMUM 0.020 AND INCHES MAXIMUM 0.030
Refraction Index: NOMINAL 1.5170
Polished Surface: BOTH
Dispersion: ANGSTROMS NOMINAL 64.5
Reflection Reducing Surface: BOTH
Bevel Angle In Deg: MINIMUM 42.000 AND MAXIMUM 48.000
Special Features: ALL CORNERS WITH A 0.310 IN. RADIUS
Material: LOCATION NOT OTHERWISE SPECIFIED GLASS OPTICAL
Material Document And Classification: LOCATION NOT OTHERWISE SPECIFIED MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-174, CLASS 1, GRADE C, TYE 517-645
Fsc Application Data: TELESCOPE,PANORAMIC

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.