Optical Element Retainer

NSN: 1240-00-291-3570 | Model: 7583446

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical elemen (s) , and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

NSN Properties and Flags

NATO Stock Number

1240-00-291-3570

DEMIL

Hole Diameter

Between 0.370 inches and 0.380 inches

Width

Between 0.052 inches and 0.072 inches

Overall Length

Between 0.180 inches and 0.190 inches

Hole Or Slot Quantity

Recess Diameter

Between 0.490 inches and 0.510 inches

Recess Depth

Between 0.150 inches and 0.180 inches

Thread Size

0.648 in.-48ns-3a

Counterbore Taper Angle In Deg

60.0

Depth

Between 0.050 inches and 0.060 inches

Drive Type

Slotted

Internal Annular Serration

Not provided

Setscrew Notch

Provided

Material

Aluminum alloy, qq-a-354, cond t-canceled

Material

Aluminum alloy 2024

Material Specification

Qq-a-354, cond t-canceled federal specification single material response

Surface Treatment

Anodize or anodize

Style Designator

Recessed

Surface Treatment

Anodized, mil-a-8625, type 1, class 2 or anodized, mil-a-8625, type 2, class 2

Fsc Application Data

Telescope, straight m86f

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 1240-00-291-3570 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

7583446

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

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1240-00-291-3570 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 1240-00-291-3570?
002913570 or 00-291-3570
Does NSN 1240-00-291-3570 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-291-3570?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Sep 09, 1968