National Item Identification Number

01-074-5946
010745946
6650-01-074-5946
6650010745946

National Stock Number

Item Name

RING,RETAINING,OPTICAL ELEMENT

Federal Supply Class

6650

Description

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.

Commercial and Government Entity Code (Supplier Data)

---

19200

---

---

K0656

---

BAE SYSTEMS OPERATIONS LTD
AIRPORT WORKS MAIDSTONE ROAD
ROCHESTER
ME1 2XX
UNITED KINGDOM
01634 844400

---

Reference Numbers (Part Numbers)

11776307
60087-106

Required Categories

MATERIAL
SURFACE TREATMENT
OUTSIDE DIAMETER
INTERNAL FLANGE THICKNESS
III EN

Required Description

PLASTIC, MIL-P-8184, FINISH A
PAINTED
2.800 INCHES NOMINAL
0.230 INCHES NOMIN