Optical Element Retaining Ring

NSN: 1240-00-157-9412 | Model: 481128PC1

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

NSN Properties and Flags

NATO Stock Number

1240-00-157-9412

DEMIL

Thread Class

Thread Direction

Right-hand

Thread Length

0.075 inches

Overall Length

0.255 inches

Outside Diameter

2.250 inches

Thread Size

2 1/4-32

Aperture Diameter

1.718 inches

End Application

Gun sight mk15

Screw Thread Series Designator

Uns

Thread Location

External

Internal Flange Thickness

0.075 inches

Knurled Periphery

Not provided

Special Features

Tapped hole on flange 0.073-72nf-2b

Material

Brass

Material

Copper alloy

Surface Treatment

Black dip

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 1240-00-157-9412 Datasheet

Supply Class (FSC):

Optical Sighting And Ranging Equipment

Cross Reference:

481128PC1
481128PC1

Cage Codes:

Navair and Navsea Managed (CAGE 10001)
Lockheed Martin Corporation (CAGE 56232)

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.
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
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $79.30 to $132.17..
Does NSN 1240-00-157-9412 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Spain, and Turkey
What is the NIIN of NSN 1240-00-157-9412?
001579412 or 00-157-9412
Does NSN 1240-00-157-9412 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-00-157-9412?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963