Optical Instrument Cell Assembly

NSN: 1240-00-251-7511 | Model: 11741681

An item consisting of a cell, optical element in which is secured one or more optical elements, such as lenses, reticles, filters, windows, and the like. May include retaining rings, spacers, and/or separators. For items with focusing facilities and/or a diopter scale, see eyepiece assembly, optical instrument.

NSN Properties and Flags

NATO Stock Number

1240-00-251-7511

DEMIL

Yes - ITAR Controlled (Code D)

Thread Class

2a and 2a and 2b

Thread Direction

Right-hand and right-hand and right-hand

Thread Length

0.244 inches and 0.316 inches and 0.142 inches

Overall Length

Between 2.276 inches and 2.281 inches

Thread Size

0.500 in.-oi and 0.688 in.-24 and 0.625 in.-32

Overall Diameter

Between 0.796 inches and 0.812 inches

Screw Thread Series Designator

Un and unef and un

Accessory Components And Quantity

Retainer, optical element 1

Thread Location

External and external and internal

Eccentric Construction

Not provided

Cell Controlling Agency

Frankford arsenal

Cell Identifying Number

11741682 part no.

Optical Element Quantity

Optical Element Type

Single lens

Optical Element Controlling Agency

Frankford arsenal

Optical Element Identifying Number

11741684 part no.

Special Features

Asurface treatment, anodized, mil-a-8625, type 2, class 2, black. Two flats centrally located with a 0.688 in. Width across flats. Four 0.062 in. Diameter holes spaced 90 degrees apart on external thread end.

Fsc Application Data

Trainer, tank gunnery

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 1240-00-251-7511 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

11741681

Cage Codes:

Us Army Ardec Rdecom (CAGE 19200)

Schedule B & Trade:

Schedule B: 9803200000 (NAICS 990000)

Military equipments not identified by kind
SITC: 93100

Special transactions and commodities not classified according to kind
End Use: 50060

Military apparel and footwear

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

058110 - Optical goods or instruments noi
WCC:

744 - Optical goods
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LCL:

D - 200.0
LTL:

D - 200.0
ACC:

M - Medical supplies, equipment, samples, records, etc.
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
X
Quantity per pack
1
Unit of Measure
Ay
Shelf Life
N/A
Classification Control
7
MGMT_CTL
-------
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $184.56 to $307.60..
Does NSN 1240-00-251-7511 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency
What is the NIIN of NSN 1240-00-251-7511?
002517511 or 00-251-7511
Does NSN 1240-00-251-7511 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-251-7511?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 13, 1973